Actinide chalcogenide
[化] 锕系元素硫族元素化合物
🧩 词语组成解析
n. [化]锕类
n. 氧属化物；硫族化物
🗣️ 情景例句
It was our pleasure.
不胜荣幸。
Why didn't you do it?
为什么你不做？
People are always talking about 'the problem of youth'.
人们总是在谈论“青年问题”。