Polythioether
[化] 聚硫醚
🗣️ 情景例句
I'm ... very proud of you.
我很……以你为荣。
If it hadn't rained so hard yesterday, we would have played tennis.
如果昨天没下那么大的雨，我们就去打网球了。
It's used for cutting.
用于切割。