Polybutadiene
[机] 聚丁二烯
🗣️ 情景例句
In America, it is generally thought that being a workaholic is unhealthy and harmful.
在美国，一般认为工作狂是不健康且有害的。
I hope you will get well soon.
希望你很快会恢复。
Let's meet outside the park gate.
咱们在公园的大门外碰头吧。