Halochromy
加酸显色现象
🗣️ 情景例句
Many foreign friends used chopsticks when they visited China.
许多的外国朋友在访问中国的时候都使用筷子。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
(The farmer arrives at the woman's house again.)
（农民再次来到妇女的家。）