Pregl procedure
[机] 普雷格尔法
🧩 词语组成解析
普雷格尔(Fritz, 1869-1930, 奥地利化学家, 曾获1923年诺贝尔化学奖)
🗣️ 情景例句
sacrifices have to be made by one partner from time to time.
总要有一方必须不时做些牺牲。
We'll exchange presents.
我们要交换礼物。
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。