Pregl
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
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
Don't jinx it.
话别说得太早。
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！