Nitric acid tests
[医] 哨酸试验(检白蛋白)
🧩 词语组成解析
a. 氮的, 含氮的, 硝石的
n. 测验（test的复数）
🗣️ 情景例句
Who's going to be there?
有谁要参加？
Bite the hand that feeds one.
恩将仇报。
Don't let this get you down.
不要为此灰心丧气。