beaver

河狸、海狸

A family of beavers built a dam across the shallow stream.

一家子河狸在淺溪上築了一道水壩。

河狸毛皮、海狸皮

The old coat was lined with soft beaver.

那件舊大衣內襯是柔軟的河狸毛皮。

埋頭苦幹、努力工作口語，常用 beaver away

She beavered away at the report until well past midnight.

她埋頭趕那份報告，一直忙到半夜過後。

工作狂、做事勤快的人口語，eager beaver

The new intern is a real eager beaver.

新來的實習生真是個做事超積極的人。