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
Can I speak with Mr. or Mrs. Burns?
我可以跟Burns先生或太太通话吗？
Half a tale is enough for a wise man.
聪明人凡事只须听一半，就会明白究竟。
In the evening, the children come home from school.They arrive home early.
傍晚，孩子们放学回家。他们到家很早。