Sensitometry
感光学
🗣️ 情景例句
A little knowledge is dangerous.
一知半解最危险。
Do not give a dog bread every time he wags his tail.
不要有求必应。
Oh, at the end some songs that everyone's familiar with, then they can join in.
哦，终场时奏一些大家都熟悉的歌曲，那样，他们都能参加。