Beaver away
忙于（某事）, 勤奋工作
🧩 词语组成解析
beaver
[['bi:və]]
n. 海狸(毛皮)\\n[机] 轻型及中型飞机加油
🗣️ 情景例句
Is room service available?
有房间服务吗？
Which one is better?
哪一个是较好的？
She wanted him to repair their grandson's bicycle!
她叫他去修理孙子的自行车。