Metadyne
放大机, 微场扩流发电机
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
How long have you stayed there?
你在那儿住多久了？
My name is Jim Green.
我叫吉姆格林。