Reagent's purity
[化] 试剂纯
🧩 词语组成解析
🗣️ 情景例句
My hobbies are hiking, fishing and climbing.
我的嗜好是远足、钓鱼和爬山。
Whose responsibility are the shipment charges?
运费由谁来负责呢？
but I can't decide yet.My wife must see it first.
但我还不能决定。我妻子必须先来看一看。