Pharosage
光通量密度, 照度
🗣️ 情景例句
The answer leapt out at me.
答案突然在我脑海中闪现出来。
The father buys,the son bigs,the grandchild sells,and his son thigs.
父买、子修建、孙儿卖，重孙街上当乞丐。
Could you explain exactly what you do?
您能确切的解释一下你做些什么吗？