Sensitometry
感光学
🗣️ 情景例句
Young drivers are more likely to be involved in an accident.
年轻驾驶员更容易出事。
When sorrows come, they come not single spies, but in battalions.
祸不单行。
For one thing, when you earn money, you will not have to keep on asking your parents for money.
首先，当自己挣了钱，你就用不着老向父母要钱了。