高三英语词汇双解及用法Units 1—8Unit 1 That must be a record
Words and expressions
beard n. the hair which grows on a man's face (下巴上的)胡须；络腮胡子
Sailors often grow beards. 船员常爱留胡子。
cheetah n. 猎豹；印度豹
sailfish n. 旗鱼
voyager n. 航行者；航海者；航天者；旅客
tight adj. firm so that you can not untie or undo it easily 紧的；牢固的