Pentacid
a. [化]五价的
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
I wish you the best of luck in your new venture.
我祝你们的新事业好运。
Where is it? asked her mother.
“剩余的钱在哪儿？”她妈妈问。