Schaffer's test
[医] 舍费尔氏试验(检尿内亚硝酸盐)
🧩 词语组成解析
🗣️ 情景例句
Oh, you're welcome.
噢！请别客气。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。
Sometimes I think this house will be knocked down by a passing plane.
有时我觉得这房子就要被一架飞过的飞机撞倒。