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单词 cetacean
释义

Definition of cetacean in English:

cetacean

noun sɪˈteɪʃnsəˈteɪʃ(ə)n
  • A marine mammal of the order Cetacea; a whale, dolphin, or porpoise.

    Example sentencesExamples
    • Killer whales also prey on mammals such as other cetaceans and pinnipeds, as well as on birds and large fish.
    • Odontocete cetaceans rely upon echolocation to sense the environment and detect prey.
    • Marine vertebrates including tunas, seabirds, sharks, sea turtles, pinnipeds and cetaceans use a pelagic ecosystem we barely understand.
    • Previous paleontological and molecular evidence has indicated that cetaceans and artiodactyls constitute a natural clade within the subclass Eutheria.
    • Within odontocete cetaceans, variation in body design affects stability and turning performance.
adjective sɪˈteɪʃnsəˈteɪʃ(ə)n
  • Relating to or denoting cetaceans.

    Example sentencesExamples
    • Our future response to these and other threats will determine whether most cetacean species survive.
    • The story focuses on Nathan Quinn, a cetacean biologist trying to figure out what whale song means.
    • Despite the questions that remain, Bowles and many cetacean experts endorse pingers because they clearly save animals' lives.
    • Further studies will be needed to finally identify the role of the diaphragm in cetacean ventilation.
    • No ancient DNA has yet been used for cetacean systematics.
    • The research is based on cetacean fossils representing four groups of early whales.
    • Cetacean evolution is one of several transitions across the land-water barrier documented in the history of vertebrate evolution.
    • The wildlife watch event provides the group with a snapshot overview of cetacean activity around the Irish coast on a single day.
    • Hans Thewissen and Philip Gingerich are excellent paleontologists who have recently changed our whole picture of cetacean evolution.
    • In addition to cortical lobes recognized as fronto-orbital, temporal, and occipital, cetacean mammals present an additional lobe on the inferior surface of each cerebral hemisphere.
    • She noted that government scientists investigating a number of cetacean beachings had attributed them to naval exercises involving mid-frequency sonar.
    • In many ways, the cetacean ear is radically different from the ear of terrestrial mammals.
    • To work for closer integration of environmental concerns into fisheries management including a reduction in small cetacean casualties.
    • The great depths also attract most of the cetacean species seen off the North Sulawesi coast, including migrating sperm whales.
    • People in coastal communities are often surprised to learn just how rich our waters are in terms of providing habitat for a diversity of cetacean species.
    • A significant percentage of cetacean products on sale in Japan have been shown to be highly polluted, posing a potential health threat to consumers.
    • Arguments that behavioral data are fundamentally no different from other kinds of anatomical or molecular data used for systematics should also impact cetacean phylogenetics.
    • Morton's text is generous with information about cetacean life in general and observations of killer-whale behavior in particular.
    • Most cetacean studies lack the detail of studies on terrestrial species.
    • Our findings suggest that several regions of the cetacean cytochrome b protein have experienced molecular adaptation.

Derivatives

  • cetaceous

  • adjective səˈteɪʃəssəˈteɪʃəs
    dated
    • Relating to or denoting a marine mammal of the order Cetacea, such as a whale, dolphin, or porpoise.

      a new genus of cetaceous animals

Rhymes

ablation, aeration, agnation, Alsatian, Amerasian, Asian, aviation, citation, conation, creation, Croatian, counterdemonstration, counterproliferation, crustacean, curation, Dalmatian, delation, dilation, donation, duration, elation, fixation, Galatian, geolocation, glocalization, gyration, Haitian, halation, Horatian, ideation, illation, lavation, legation, libation, location, lunation, mutation, natation, nation, negation, notation, nutation, oblation, oration, ovation, potation, relation, rogation, rotation, Sarmatian, sedation, Serbo-Croatian, station, staycation, taxation, Thracian, vacation, vexation, vocation, zonation
 
 

Definition of cetacean in US English:

cetacean

nounsəˈtāSH(ə)nsəˈteɪʃ(ə)n
  • A marine mammal of the order Cetacea; a whale, dolphin, or porpoise.

    Example sentencesExamples
    • Marine vertebrates including tunas, seabirds, sharks, sea turtles, pinnipeds and cetaceans use a pelagic ecosystem we barely understand.
    • Previous paleontological and molecular evidence has indicated that cetaceans and artiodactyls constitute a natural clade within the subclass Eutheria.
    • Odontocete cetaceans rely upon echolocation to sense the environment and detect prey.
    • Killer whales also prey on mammals such as other cetaceans and pinnipeds, as well as on birds and large fish.
    • Within odontocete cetaceans, variation in body design affects stability and turning performance.
adjectivesəˈtāSH(ə)nsəˈteɪʃ(ə)n
  • Relating to or denoting cetaceans.

    Example sentencesExamples
    • No ancient DNA has yet been used for cetacean systematics.
    • She noted that government scientists investigating a number of cetacean beachings had attributed them to naval exercises involving mid-frequency sonar.
    • A significant percentage of cetacean products on sale in Japan have been shown to be highly polluted, posing a potential health threat to consumers.
    • Further studies will be needed to finally identify the role of the diaphragm in cetacean ventilation.
    • The research is based on cetacean fossils representing four groups of early whales.
    • The great depths also attract most of the cetacean species seen off the North Sulawesi coast, including migrating sperm whales.
    • Despite the questions that remain, Bowles and many cetacean experts endorse pingers because they clearly save animals' lives.
    • In many ways, the cetacean ear is radically different from the ear of terrestrial mammals.
    • Hans Thewissen and Philip Gingerich are excellent paleontologists who have recently changed our whole picture of cetacean evolution.
    • Our future response to these and other threats will determine whether most cetacean species survive.
    • Arguments that behavioral data are fundamentally no different from other kinds of anatomical or molecular data used for systematics should also impact cetacean phylogenetics.
    • To work for closer integration of environmental concerns into fisheries management including a reduction in small cetacean casualties.
    • Our findings suggest that several regions of the cetacean cytochrome b protein have experienced molecular adaptation.
    • The wildlife watch event provides the group with a snapshot overview of cetacean activity around the Irish coast on a single day.
    • The story focuses on Nathan Quinn, a cetacean biologist trying to figure out what whale song means.
    • People in coastal communities are often surprised to learn just how rich our waters are in terms of providing habitat for a diversity of cetacean species.
    • Most cetacean studies lack the detail of studies on terrestrial species.
    • In addition to cortical lobes recognized as fronto-orbital, temporal, and occipital, cetacean mammals present an additional lobe on the inferior surface of each cerebral hemisphere.
    • Morton's text is generous with information about cetacean life in general and observations of killer-whale behavior in particular.
    • Cetacean evolution is one of several transitions across the land-water barrier documented in the history of vertebrate evolution.
 
 
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更新时间:2024/12/23 5:29:00