Sensitometry
感光学
🗣️ 情景例句
Well, here's the bottle opener, and here's the flashlight.
哦 ，这是开瓶器 ，这是手电筒。
The bird that can sing and won't sing must be made to sing.
生来能唱的鸟，不愿唱也得叫它唱。
You'll save time not waiting for the elevator.
你可以节省等电梯的时间。