问题描述： a certain什么意思 1个回答 分类：英语 2014-10-24 问题解答： 我来补答 certain [5sE:tn] adj. 无疑, 肯定 His ear for music was certain. 他对音乐的鉴赏力毋庸置疑. 某, 某些 A certain Mr. Brown telephoned while you were out. 你出去的时候, 有个叫布朗的先生来过电话. 展开全文阅读
