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单词 eucalyptus
释义

WordReference Random House Learner's Dictionary of American English © 2024
eu•ca•lyp•tus /ˌyukəˈlɪptəs/USA pronunciation   n. [countable], pl. -ti (-tī), -tus•es. 
  1. Plant Biologya tree chiefly from Australia and nearby islands having sweet-smelling evergreen leaves.

WordReference Random House Unabridged Dictionary of American English © 2024
eu•ca•lyp•tus  (yo̅o̅′kə liptəs),USA pronunciation n., pl. -ti (-tī),USA pronunciation -tus•es. 
  1. Plant Biologyany of numerous often tall trees belonging to the genus Eucalyptus, of the myrtle family, native to Australia and adjacent islands, having aromatic evergreen leaves that are the source of medicinal oils and heavy wood used as timber.
Also, eu•ca•lypt (yo̅o̅kə lipt′).USA pronunciation 
  • Greek eu- eu- + kalyptós covered, wrapped, akin to kalýptein to cover
  • Neo-Latin
  • 1800–10
eu′ca•lyptic, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
eucalyptus /ˌjuːkəˈlɪptəs/, eucalypt /ˈjuːkəˌlɪpt/ n ( pl -lyptuses, -lypti / -ˈlɪptaɪ/, -lypts)
  1. any myrtaceous tree of the mostly Australian genus Eucalyptus, such as the blue gum and ironbark, widely cultivated for the medicinal oil in their leaves (eucalyptus oil), timber, and ornament
Etymology: 19th Century: New Latin, from eu- + Greek kaluptos covered, from kaluptein to cover, hide
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