Optical purity
[化] 光学纯度
🧩 词语组成解析
🗣️ 情景例句
Hello. Is Susan there?
喂，是苏珊吗？
My watch is more expensive because it's a chronometer.
我的手表是精密型的，所以要比你的贵。
A detective recently watched a well-dressed woman who always went into a large store on Monday mornings.
一名侦探最近注意上了一位穿着讲究的妇女，她总是在星期一上午进入一家大商场。