Photicity
光化率
🗣️ 情景例句
Why don't we take a walk down to the river?
我们何不一路散步到河边去呢？
I think you have made a right decision.
我认为你们做出了正确的决定。
Can you recognize that woman，Mary?
你能认出那个女人是谁了吗，玛丽？