Pettenkofer's test
[医] 佩滕科弗氏试验(检尿胆汁酸)
🧩 词语组成解析
🗣️ 情景例句
I can't drive, I've never driven in my life.
我不会开车，我这辈子都没开过车。
One foe is too many; and a hundred friends too few.
朋友成百犹觉少，仇敌一人已嫌多。
Traffic police are sometimes very polite.
交通警有时也很客气。