Pharosage
光通量密度, 照度
🗣️ 情景例句
She's on a diet these days.
这些天她在节食。
I'm hoping to spend a few days in the mountains.
我正在希望到在山上过一些天。
I regret to inform you that we are unable to offer you employment.
很遗憾地告诉你，我们无法雇用你。