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　　kangaroo [kæŋɡəˈruː] n. 大袋鼠

　　keep (kept, kept) [kiːp] v. 保持;保存;继续不断 vt. 培育, 饲养

　　keep (on)doing 一直做…...

　　Why do you keep laughing all the time? 你为什么一直在笑?

　　He is always keeping (on ) asking me the same question.

　　keep a secret 保守秘密

　　keep one’s word 遵守诺言

　　keep a record 保持记录

　　keep sb/sth from doing 阻止某人做某事

　　keep the door open

　　keep her waiting

　　keep sb. informed of…

　　keep calm/healthy

　　keep up with 跟上

　　keep up (天气)持续不变

　　The rain kept up all afternoon.

　　keep back 隐瞒;阻止;留下

　　keep sth back from sb. 向某人隐瞒

　　keep away from 远离

　　keep off 不接触

　　Keep off grass!

　　keeper [ˈkiːpə(r)] n. (动物园中的)饲养员, 看守人

　　kettle [ˈket(ə)l] n. (烧水用的)水壶

　　key [kiː] n. 钥匙;答案;键;关键

　　the key to success 成功的关键