Polybrochats
密网状
🗣️ 情景例句
I understand
听说，
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时，你在那儿吗？