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单词 racer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
rac•er  (rāsər),USA pronunciation n. 
  1. a person, animal, or thing that races or takes part in a race, as a racehorse, bicycle, yacht, etc.
  2. anything having great speed.
  3. SportSee racing skate. 
  4. Militarya turntable on which a heavy gun is turned.
  5. Reptilesany of several slender, active snakes of the genera Coluber and Masticophis.
  • race1 + -er1 1640–50

Collins Concise English Dictionary © HarperCollins Publishers::
racer /ˈreɪsə/ n
  1. a person, animal, or machine that races
  2. a turntable used to traverse a heavy gun
  3. any of several long slender nonvenomous North American snakes of the colubrid genus Coluber and related genera, such as C. lateralis (striped racer)
WordReference Random House Learner's Dictionary of American English © 2024
race1 /reɪs/USA pronunciation   n., v., raced, rac•ing. 
n. [countable]
  1. a contest of speed, such as in running, riding, driving, or sailing.
  2. races, [plural] a series of races, as of horses, run at a set time in a particular place.
  3. any contest or competition, esp. to achieve some gain:an arms race; a Senate race.
  4. an urgent effort:a race to find a vaccine against the dreaded disease.

v. 
  1. to run in a contest of speed against (someone);
    run a race with: [+ object]He raced her to the finish line.[no object]He wanted to race in the Olympics.
  2. to (cause cars, horses, dogs, etc.) to run in races: [+ object]He raced his car in the Grand Prix.[no object]wouldn't race again.
  3. to (cause to) run, move, or go swiftly: [no object]He raced back to the house.[+ object]He tried racing the motor to warm up the engine.
rac•er, n. [countable]

race2 /reɪs/USA pronunciation   n. 
  1. Physical Anthropologya type or classification of humans into groups, sometimes, esp. formerly, based on certain observed physical characteristics, as skin color, facial form, or eye shape, and now frequently based on certain genetic differences: [countable]members of various races.[uncountable]a discussion of race.
  2. any people united by common history, language, cultural traits, etc.:[countable]the Dutch race.
  3. any group, class, or kind of creatures:[countable]the human race.

adj. [before a noun]
  1. of or relating to race:race relations.

WordReference Random House Unabridged Dictionary of American English © 2024
race1  (rās),USA pronunciation n., v., raced, rac•ing. 
n. 
    1. a contest of speed, as in running, riding, driving, or sailing.
    2. races, a series of races, usually of horses or dogs, run at a set time over a regular course:They spent a day at the races.
    3. any contest or competition, esp. to achieve superiority:the arms race; the presidential race.
    4. urgent need, responsibility, effort, etc., as when time is short or a solution is imperative:the race to find an effective vaccine.
    5. onward movement;
      an onward or regular course.
    6. the course of time.
    7. the course of life or a part of life.
    8. Geology
      • a strong or rapid current of water, as in the sea or a river.
      • the channel or bed of such a current or of any stream.
    9. Civil Engineeringan artificial channel leading water to or from a place where its energy is utilized.
    10. Civil Engineeringthe current of water in such a channel.
    11. Mechanical EngineeringAlso called raceway. [Mach.]a channel, groove, or the like, for sliding or rolling a part or parts, as the balls of a ball bearing.
    12. Textiles
      • the float between adjacent rows of pile.
      • See race plate. 

    v.i. 
    1. to engage in a contest of speed;
      run a race.
    2. to run horses or dogs in races;
      engage in or practice horse racing or dog racing.
    3. to run, move, or go swiftly.
    4. (of an engine, wheel, etc.) to run with undue or uncontrolled speed when the load is diminished without corresponding diminution of fuel, force, etc.

    v.t. 
    1. to run a race against;
      try to beat in a contest of speed:I'll race you to the water.
    2. to enter (a horse, car, track team, or the like) in a race or races.
    3. Automotiveto cause to run, move, or go at high speed:to race a motor.
    • Old Norse rās a running, race (cognate with Old English rǣs a running); (verb, verbal) Middle English rasen, derivative of the noun, nominal (compare Old Norse rasa to rush headlong)
    • (noun, nominal) Middle English ras(e) 1250–1300

race2  (rās),USA pronunciation n. 
  1. a group of persons related by common descent or heredity.
  2. a population so related.
  3. Physical Anthropology[Anthropol.]
    • Physical Anthropologyany of the traditional divisions of humankind, the commonest being the Caucasian, Mongoloid, and Negro, characterized by supposedly distinctive and universal physical characteristics: no longer in technical use.
    • Physical Anthropologyan arbitrary classification of modern humans, sometimes, esp. formerly, based on any or a combination of various physical characteristics, as skin color, facial form, or eye shape, and now frequently based on such genetic markers as blood groups.
    • a human population partially isolated reproductively from other populations, whose members share a greater degree of physical and genetic similarity with one another than with other humans.
  4. a group of tribes or peoples forming an ethnic stock:the Slavic race.
  5. any people united by common history, language, cultural traits, etc.:the Dutch race.
  6. the human race or family;
    humankind:Nuclear weapons pose a threat to the race.
  7. Zoologya variety;
    subspecies.
  8. Zoologya natural kind of living creature:the race of fishes.
  9. any group, class, or kind, esp. of persons:Journalists are an interesting race.
  10. Winethe characteristic taste or flavor of wine.

adj. 
  1. of or pertaining to the races of humankind.
  • Italian razza, of obscure origin, originally
  • French
  • 1490–1500
    • 1.See corresponding entry in Unabridged tribe, clan, family, stock, line, breed. Race, people, nation are terms for a large body of persons who may be thought of as a unit because of common characteristics. In the traditional biological and anthropological systems of classification race refers to a group of persons who share such genetically transmitted traits as skin color, hair texture, and eye shape or color:the white race; the yellow race.In reference to classifying the human species, race is now under dispute among modern biologists and anthropologists. Some feel that the term has no biological validity; others use it to specify only a partially isolated reproductive population whose members share a considerable degree of genetic similarity. In certain broader or less technical senses race is sometimes used interchangeably with people. People refers to a body of persons united usually by common interests, ideals, or culture but sometimes also by a common history, language, or ethnic character:We are one people; the peoples of the world; the Swedish people.Nation refers to a body of persons living under an organized government or rule, occupying a defined area, and acting as a unit in matters of peace and war:the English nation.

race3  (rās),USA pronunciation n. 
  1. Plant Biologya ginger root.
  • Latin rādīc- (stem of rādīx) root1
  • Middle French rais
  • 1540–50

Race  (rās),USA pronunciation n. 
  1. Place Names Cape, a cape at the SE extremity of Newfoundland.

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更新时间:2024/9/20 16:51:14