Chalcogen
n. [化]硫族元素,氧屬元素(包括氧、硫、硒等)
?? 擴展釋義
【化】 硫屬元素; 氧族元素
??? 情景例句
I made another lunch date for today
我和別人約好共進午餐，，
Don't forget bring it to him.
不要忘記帶給他。
You two seem to know each other.
你們倆似乎認識。