Halochromism
[机] 加酸显色
🗣️ 情景例句
What a wonderful morning!
多么美好的早晨！
Pick up the receiver and deposit a coin in the slot.
拿起听筒和放一个硬币到投币口。
When are you going to have a holiday, Sam?
萨姆，你准备什么时候去度假？