Monosulfide
一硫化物
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
Old foxes want no tutors.
老狐狸不需要教师。
I sat down at the breakfast table in an exhausted condition.
然后坐到桌边吃早饭，一副筋疲力尽的样子。