Sideramine
高铁胺
🗣️ 情景例句
Having some dinner?
吃点晚餐？
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。