vary off是什么意思 vary off怎么读
vary off的用法和样例
- Are the ship's main radio transmitter aerials earthed and radars switched off?
船上主要的无线电发射天线是否已接地,雷达设备电源是否已断开? - 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.
每当机器进入工作状态,它们会把让它们做的工作进行下去,直到电路断开或坏了为止。
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