天门雅思：雅思听力高频词汇
下面是出国留学网雅思听力频道带来的天门雅思：雅思听力高频词汇，希望对各位考生备考雅思带来帮助。at sb’s service 愿为某人服务around the clock 24小时不停
Martha studied around the clock for management exam.
as far as I know 就我所知
at home with 对…很熟悉
She is at home with problems like this.
back out
1.退出
A: Wasn’t...