Beaver



GRE

解释

GRE 红宝书

• n.水獭
• ［记］ 十分勤奋的人被叫做""eager beaver""

Webster Collegiate

I. noun (plural beavers)

• Etymology: Middle English bever, from Old English beofor; akin to Old High German bibar beaver, and probably to Old English brūn brown — more at brown
• Date: before 12th century
• 1. or plural beaver
  • a. either of two large semiaquatic herbivorous rodents comprising a family (Castoridae including Castor canadensis of North America and C. fiber of Eurasia), having webbed hind feet and a broad flat scaly tail, and constructing dams and partially submerged lodges
  • b. the fur or pelt of the beaver
• 2.
  • a. a hat made of beaver fur or a fabric imitation
  • b. silk hat
• 3. a heavy fabric of felted wool or of cotton napped on both sides
• 4. usually vulgar the pudenda of a woman

II. noun

• Etymology: Middle English baviere, from Middle French
• Date: 15th century
• 1. a piece of armor protecting the lower part of the face
• 2. a helmet visor

III. intransitive verb

• Date: 1946
• to work energetically <beavering away at the problem>

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