Polyvinyl sulfuric acid
[医] 聚乙烯硫酸
🧩 词语组成解析
a. 聚乙烯基的
a. 硫磺的；含多量硫磺的；含（六价）硫的
🗣️ 情景例句
I thought you stayed home with Robbie?
我还以为你是跟Robbie待在家里的
How much is it by air mail?
航空信要多少钱？
On the other hand, I felt sad that I wasn't able to tell my grandparents that we were safe.
另一方面，我为不能告诉我的祖父母我们十分安全而感到难过。