Photodegrade
v. (使)光致分解,(使)光降解
🗣️ 情景例句
John isn't here today. That figures, he looked very sick yesterday.
约翰今天没有来，怪不得，他昨天就好像不太舒服。
Which one is cheaper?
哪一个是较便宜的？
You should learn these words by heart.
你应该把这些词背熟。