Halochromy
加酸显色现象
🗣️ 情景例句
I think I'll need your expert assistance this afternoon.
我想，我今天下午需要你专业的协助。
Here is a price list together with a booklet illustrating our products.
这儿有一份价目单和介绍说明我方产品的小册子。
This is the point I wish to emphasize.
这就是我要强调的论点。