Caution'soperation
[电] 注意运转
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
Hurry back!
快去快回！
There is a cup on the table, too.
桌子上还有一只杯子。