Chromometry
比色法
🗣️ 情景例句
Sorry. I have a meeting right now.
抱歉，我马上有个会议要开。
Scratch a Russsian, and you('ll) find a Tartar.
文明不能改变本性。
On Saturday, Ann came home from school a little earlier.
星期六，安放学后提早了点回家。