Photochromic compound
[机] 光色化合物
🧩 词语组成解析
a. 对光反应变色的, 彩色照片的
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
After that,I go downstairs to the kitchen to have breakfast.
在那以后，我去楼下厨房吃早餐。
To our dismay, we saw that there were snails everywhere:
让人沮丧的是，我们发现到处都是蜗牛：