Polythioether
[化] 聚硫醚
🗣️ 情景例句
I can't believe it!
我简直不敢相信！
Early start makes easy stages.
早开始是成功的保证。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。