Lethen.遗忘河；忘却；遗忘letv.让；允许；(用于祈使句表建议、请求、命令)让；假设；出租n.出租；阻碍；(网球等)触网重发Let's get together again sometime.左翼电影Let's pitch out the troublemakers.左半结肠Let's learn some everyday English.左渐近线Let us ignore these irrelevancies.咱们不必管这些不相干的事。let competent people run enterprises能人治厂Let's go home-it's getting late.左转弯专用道Let's not engage in personalities.左手弯举Let's talk about something worldly.左不变式Let's never touch those instrument.v.上阵(开始比赛)Let's clean the classroom together.右侧结肠系膜