Polychlorostyrene
聚氯苯乙烯
🗣️ 情景例句
Congratulations on your wedding.
祝贺你们的婚礼。
I wonder what makes you so worried.
我不知道是什么使你这样担心。
That doesn't sound like modern printing.
这听起来不象是现代印刷术呀。