Polysulphide
n. [化]多硫化物
🗣️ 情景例句
But I'll be going home to Greece,
但是我就要回希腊去了,
I have to hang up now.
我现在不得不挂电话了。
It's about four hundred yards down this street.
城堡就在这条街上，（离这儿）400码左右。