Acid treatment
[化] 酸处理
🧩 词语组成解析
🗣️ 情景例句
Have you ever studied French?
你学过法语吗？
A man has his hour, and a dog has his day.
人有称心时，狗有得意日。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。