Electrochromism
电变色
🗣️ 情景例句
He won't come until next week.
他下星期才会来。
This house is for rent.
此房出租。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。