vary off的用法和樣例：
例句
- Are the ship's main radio transmitter aerials earthed and radars switched off?
船上主要的無(wú)線(xiàn)電發(fā)射天線(xiàn)是否已接地，雷達設備電源是否已斷開(kāi)？ - Whenever the machines have been put in working order,they'll keep on doing the jobs they have been"told"to do until they are turned off or break down.
每當機器進(jìn)入工作狀態(tài)，它們會(huì )把讓它們做的工作進(jìn)行下去，直到電路斷開(kāi)或壞了為止。
