n.瓶塞；阻塞物；阻拦牌（游戏）；使某事停止之人或物
vt.用塞子塞住
The stopper may blow out. 塞子会被冲出来。
The stopper is too tight that it can't be withdrawn. 瓶塞太紧拔不出来了。
That has put a stopper on the rumour. 那样一来，就制止了谣言。
Religious faith is a conversation stopper. 一谈到宗教信仰问题就会冷场。
I have never been a stopper to you and will never be. 我从未阻止过你，将来也不会。
