Vacujet
真空捕尘凿岩机
🗣️ 情景例句
OK, Betty, Tim, and Frank.
好， Betty ，Tim ，Frank。
I would like to present our comments in the following order.
我希望能依照以下的顺序提出我们的看法。
Who served you, sir?
是谁接待您的，先生？