Pentacid
a. [化]五价的
🗣️ 情景例句
Nice to meet you, Mrs. Cooper.
很高兴见到你， Cooper太太。
We feel product quality is high indeed.
我们认为产品的质量的确很高。
I really can't agree with you. I prefer science.
我真的不能同意你的看法。我更喜欢自然科学。