Methano-
[化] 桥亚甲基
🗣️ 情景例句
Just a minute. Here's your receipt.
请等一下。这是你的收据。
Her children are a disappointment to her.
她的孩子让她感到失望。
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？