Polyxylene
聚二甲苯; 聚二甲苯
🗣️ 情景例句
Can I ring you up?
我可以给你打电话吗？
Whatever happens, don't worry.
不管什么事情发生，你都不要担心。
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。