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
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
The distinction of our product is its light weight.
我们产品的特点就是它很轻。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。