Obs
[电] 气象电报
🗣️ 情景例句
Oh, you've been here before.
噢，你以前来过的。
Whose responsibility are the shipment charges?
运费由谁来负责呢？
I don't know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。