Methyne
[化] 次甲基
🗣️ 情景例句
Thank you for your great service.
感谢你周到的服务。
We have a small gift for you to take with you when you leave the factory.
你离开工厂时，我们有件小礼物要送给你。
We invited them to our party but they decided not to come.
我们请了他们参加聚会，但他们决定不来。