Polyvinyl dichloride
[机] 聚二氯乙烯
🧩 词语组成解析
a. 聚乙烯基的
n. 二氯化合物\\n[医] 二氯化物
🗣️ 情景例句
Do you speak a foreign language?
你会讲外语吗？
A fool attempting to be witty is an object of profoundest pity.
蠢人装聪明，实在最可怜。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。