Superpolymer
高聚物
🗣️ 情景例句
You're so nice!
你真好！
We should make it clear whether the damage was caused in transit or during the unloading process, or by other reasons.
我们要弄清楚货物是否在运输途中受损，还是在卸货过程中受损，或者别的原因。
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。