Pharosage
光通量密度, 照度
🗣️ 情景例句
And what does your father do?
令尊是做什么的？
Good-bye, my darling, good-bye.
亲爱的，请慢走，请珍重。
Another man lit a cigarette but it burnt strangely and so he too put it out.
另一个工人点燃一支烟，但烟燃得怪怪的，于是他也把烟灭了。