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
I'd like an advance copy of the book, though,
但我想要一本新书的试印本
To live in the hearts of those left behind is not to die.
活在后人心，虽死而犹生。
He has a large income.
他有很高的收入。