知识贝壳
知识贝壳
所属栏目：英语常用短语动词用法辨异
to go down backwards;to yield in argument,point of view or claim退下;放弃(辩论、观点、要求);让步,屈服【例解】 1. You’ll have to back down carefully,the ladder is not steady.你下来时得小心,梯子不稳。2. Barbara and Jim had been quarrelling for a long time,and neither o ......（本文共 590 字 ） [阅读本文] >>