Reagent's purity
[化] 试剂纯
🧩 词语组成解析
🗣️ 情景例句
Oh, Wang Ming, this is she.
哦，王明，我就是高玲。
I ask him to stay at school.
我要求他待在学校。
we are no longer free to choose the things we want,
但我们已经无法独立自主地选购自己所需的东西了。