Monoether
单醚
🗣️ 情景例句
But your L C must reach us 30 days before delivery.
但交货前30天，我们必须要收到你们的信用证。
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
After all, I am the only one of my aunt's relations still alive.
不管怎么说，我是我伯母的亲戚中唯一一个还活着的人。