beaver
n
1 [C] fur-coated animal with strong teeth that lives both on land and in water and gnaws down trees to build dams 海貍.
2 [U] its brown fur 海貍的褐色皮毛
[attrib 作定語]
a beaver hat 海貍皮帽子.
3 (idm 習語) an eager beaver => eager. beaver, v (phr v) beaver away (at sth) (infml 口 esp Brit) work hard 勤奮工作
I've been beavering away at this job for hours. 我幾小時一直在全力做這件事.