Chalcogen
n. [化]硫族元素,氧属元素(包括氧、硫、硒等)
🔁 扩展释义
【化】 硫属元素; 氧族元素
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
I'll do something about it.
我会采取措施的。
Thank you very much for asking me to Ann's party on Sunday.
非常感谢你邀请我参加星期天安的聚会。