知識貝殼
知識貝殼
所屬欄目：英語常用短語動詞用法辨異
to be engaged in doing,to work at,to be occupied in doing忙于……【例解】 1. It was late on the night of October 20,1939,when Dr.Bethune was busy working in a field hospital. 1939年10月20日深夜,白求恩大夫正在一所野戰醫院忙著工作。2. He was busy getting ready for his jou ......（本文共 939 字 ） [閱讀本文] >>