Benedict's reagent
[化] 本尼迪克特试剂
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
Would a professional photographer be without a picture?
一位专业摄影师会没有照片吗？
To lift
击起
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，