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
Celebrate?
庆祝？
Many hands make light work.
人多好做活。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。