Photicity
光化率
🗣️ 情景例句
Play it cool.
做事要冷静。
I remember the girl whose father goes there every winter.
我记得那个女孩的父亲每年冬天都去那里。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。