Artificial intelligent assistant

beaver

beaver
/ˈbi:və(r); `bivɚ/ n
1 [C] fur-coated animal with strong teeth that lives both on land and in water and gnaws down trees to build dams 海狸.
2 [U] its brown fur 海狸的褐色皮毛
    [attrib 作定语]
a beaver hat 海狸皮帽子.
3 (idm 习语) an eager beaver => eager. beaver, v (phr v) beaver away (at sth) (infml 口 esp Brit) work hard 勤奋工作
    I've been beavering away at this job for hours. 我几小时一直在全力做这件事.

牛津英汉双解词典

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