Halochromism
[机] 加酸显色
🗣️ 情景例句
Will I have to wait long?
要很久吗？
He apologized for having offended her visitors.
他因为冒犯她的客人而向她道歉。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。