Dinitrosalicylic acid reagent
[医] 重氮试剂
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
Oh, don't look so sad.
噢， 别显得那么无精打采。
It's about time.
时间差不多了。
His previous attempts had been unsuccessful.
他以前的尝试没有成功。