Equiluminous
等照度
🗣️ 情景例句
You should take the number 1 subway.
应当搭一路地铁。
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？