Polybond
聚硫橡胶粘合剂
🗣️ 情景例句
I think I did the right thing
我觉得我做了一件对的事
Which one is the longest river in China?
中国哪条河流最长？
Please be aware that this is a crucial issue to us.
请了解这一点对我们至关重要。