Analyrical reagent
[机] 分析用试剂
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
Which foot hurts?Is it the left one?
哪个脚受伤?是左脚？
always respects a parent who admits that he is wrong,
他们总是尊敬的，对于能够承认错误或无知、