新概念英语一册课后练习答案（Lessons 123-124）新概念英语第一册123-124课重点单词详解 Word study travel v. (1)旅行;游历： He said that if he had a lot of money he would travel around the world. 他说，如果他有很多钱的话，他将会周游全世界。 (2)行进;(被)传送： Light travels faster than sound at the speed of 300,000 kilometres per second. 光速比声速要快，为每秒钟30万公里。 The news didnt travel as fast as we had expected. 这消息传播得不如我们所预料得那样快。 grow v. (1)生长;成长： His hair has grown too long. 他的头发长得太长了。 The trees have grown r
