Dragendorff's reagent
[机] 德雷根道尔夫试剂
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
We've got a lot to talk about.
我们有很多可商量的了。
I really appreciate your help.
我非常感谢你的帮助。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。