大学英语词汇短语释义解析及例句 be busy doing sth
大学英语词汇短语释义解析及例句 be busy doing sth
释义：
be busy doing sth 忙着做某事
例句：
Be busy doing sth.
的意思都是“忙于做某事”。
Her mother is busy cooking in the kitchen. be busy doing sth.
忙着做某事（她的母亲正在厨房忙着做饭。）
