Polythioether
[化] 聚硫醚
🗣️ 情景例句
I feel rotten about not taking the children out.
我没有带孩子出去觉得很不痛快。
I know he will be able to find way there.
我知道他会找到那里的路。
Where do you want me to sign?
你要我签在哪里？