Ethinyl
[机] 乙炔基
🗣️ 情景例句
What are you doing this weekend?
你本周末打算干什么？
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。
We need to make some changes in this contract.
这份契约有几个地方需要修改。