Photochromism
n. 光致色变性, 光致色变现象\\n[化] 光致变色; 光致变色现象
🗣️ 情景例句
Oh, you're welcome.
噢！请别客气。
Yes, but I don't want go downtown.
是的，但是我不希望上街。
Ever since then, the great monument has been a symbol of liberty for the millions of people who have passed through New York Harbour to make their homes in America.
从那时起，这座伟大的纪念碑对通过纽约港进入美国定居的千百万人来说就一直是自由的象征。