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
OK, we have let you know as early as possible.
好的，我们会让你们尽早知道。
Let the hands get busy, not the mouth.
手要勤劳，嘴莫多说。
Excuse me, please! Which is the way to the North Street Hospital?
请问，去北街医院怎么走？