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
We have four people in the family, my parents, my elder brother and I.
我家有 4 口人，我的父母，我的哥哥和我。
My brain doesn't seem to be working well today.
我的头脑今天好像不太灵光。
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了