Preoperation
空转, 试运行, 试运转
🗣️ 情景例句
We have strict procedure around here and we expect all of our staff to follow it.
我们这儿有非常严格的工作程序，希望全体员工遵守。
He went to the post office to mail a letter.
他去了邮局寄信。
It's to the north of England; it's part of Britain.
它位于苏格兰的北部，是不列颠的一部分。