Barfoed's test
[医] 巴费德氏试验(检单糖)
🧩 词语组成解析
🗣️ 情景例句
Will I have to wait for a long time?
我得等很久吗？
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。