Polybromoprene
[化] 聚溴丁二烯
🗣️ 情景例句
It's the first thing people will see when they come in.
这是人们走进来所看到的第一 件东西。
Let the hands get busy, not the mouth.
手要勤劳，嘴莫多说。
At the head of the queue was an old woman.
排头的是位老太太。