Colourimeter
[化] 比色计
🗣️ 情景例句
Thank you, sir.
谢谢您，先生。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
A piece of chewing gum stuck to my shoe.
一片口香糖粘在了我的鞋子上。