be engaged in doing sth的意思|示意
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忙于做某事
be engaged in doing sth的网络常见释义
忙于做某事 ... 3、get engaged to sb=be engaged to sb. 与某人订婚 be engaged in doing sth 忙于做某事 4、. get married 结婚（侧重动态） ...
忙于做 付出昂贵的代价pay a high price for sth 忙于做be engaged in doing sth 动物 学家zoologist 2. 幽默humour 3.