Colourimetry
[化] 色变学; 比色法
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
Yes, of course.
当然可以。
Ready? Go! Mr. Hu shouted, and the boys started to run.
“预备--跑！”胡先生喊道，男孩子们开始跑。