turnoff是什么意思 n. 岔开, 岔道, 关闭 n. something causing antagonism or loss of interestn. a side road where you can turn off turnoff的用法和例句: 1. There's a turnoff valve for the sprinklers over there. 那边有一个关闭洒水器的阀门 2. It's a turnoff to...