C
concentrate v.全神贯注,精神集中,专心致志;集中,集合;浓缩
We should concentrate all our efforts on improving education.我们应该集中精力努力改进教育工作。
Troops are concentrating south of the river.军队正向河的南边集结。
n.浓缩液
【用法】concentrate(sth.)on sth./doing sth.
【全真考题】Anne couldn't concentrate what she was doing while her family were watching TV.(93.1)
A.to B.on C.for D.in
零基础口语课 5天学英语发音(第29期)
新概念英语1-3册(228个视频,300节高清视频课,已全部更新)
“华人英语教父”赖世雄:42节口语终极大课,让你真正敢说、会说、说对!
【TEDx推荐】国际语文大师Chris亲授:扔掉单词语法书,带你玩英语!
不背单词 不学语法 颠覆传统的英语蜕变课