Actinity
[电] 光化度
🗣️ 情景例句
Well, I didn't really exercise.
嗯， 我没有真的上健身课。
A penny saved is a penny earned(or gained).
省钱就是赚钱。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。