A valve immediately shutsoff the gas when the lid is closed.
当盖子合上时，立刻会有一个阀门切断煤气。
《牛津词典》
2
Another user reports that the wireless connection shutsoff when you turn off the display.
此外，一些用户反映，当关掉显示屏时，无线连接会关闭。
3
When a woman feels hurt, she shutsoff and a man thinks she needs space and so he goes to the pub with his friends or cleans the carburettor in his car.