Photodegradative
光降解的
🗣️ 情景例句
Thanks for the invitation. And please give my regards to your wife.
谢谢你的邀请。请代我问候贵夫人。
Half a tale is enough for a wise man.
聪明人凡事只须听一半，就会明白究竟。
Hay had been cut and cowsheds had been cleaned.
干草已切好，牛棚也打扫干净了。