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 was expecting him here at five forty-five.
我们约好了五点四十五在这里会面的。
A friend in need is a friend indeed.
患难朋友才是真朋友。
They examined the remain and John got all his money back.
他们鉴定了这些残留物。约翰拿回了他损失的全部数额。