beaverKK [ˋbivɚ] /ˈbivɚ/發音名詞1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。2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。片語動詞1埋頭苦幹、努力工作口語，常用 beaver awayShe 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。片語1工作狂、做事勤快的人口語，eager beaverThe new intern is a real eager beaver.新來的實習生真是個做事超積極的人。