Acids
n. 酸, 酸类；有酸味的东西（acid的复数）
🗣️ 情景例句
Be prepared to discuss details and be ready to answer questions.
应随时准备好讨论细节和回答对方的疑问。
An old dog cannot alter its way of barking.
老狗难改吠声。
Have they ever been there before?
他们以前去过那儿吗？