Episulfide
环硫化物
🗣️ 情景例句
but there must be a way
但总该有一个办法
Well, I'm still feeling a little homesick and so many things seem strange to me.
噢，我还感到有点想家。而且这里的很多东西我还不习惯。
My secretary can start on it right away.
我的秘书现在就要可以打。