Zerewitinoff reagent
[机] 泽列维季诺夫试剂
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
Yeah.
吃了。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
The porter, however, could not understand me.
然而搬运工却不明白我的话。