Fehling's solution
[医] 费林氏溶液(检尿糖用)
🧩 词语组成解析
🗣️ 情景例句
What's the reason why you left your previous employer?
你离开原来那个雇主的原因是什么？
Custom without reason is but ancient error.
习俗没有道理，古代谬误而已。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。