Episulfide
环硫化物
🗣️ 情景例句
He is good at getting a point across to people.
他善于让人信服他的观点。
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
Don't nag me!
别在我面前唠叨！