Photicity
光化率
🗣️ 情景例句
Like setting up a regular weekly reading program.
譬如说开办一项每周一次的定期阅读计划。
The market is declining, we recommend your immediate acceptance.
市场在萎缩，我们建议你方马上接受。
But this does not worry me.
但我从不为此烦恼。