Actionometer
照度计
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
I'm eleven. How old are you?
我11岁。你多大？