Polyxylene
聚二甲苯; 聚二甲苯
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
It is right to put everything in its proper use.
凡事都应该用得其所。
What are you then?
那你是什么国家的人呢？