氢气在工业上广泛用于制氨。Hydrogen is used extensively in industry for the production of ammonia.嗅氨使他恢复了意识.The smelling of ammonia brought himaround.丙氨酸在转氨作用中似乎是更好的氨基酸.Alanine appears to be the preferred amino acid in the transaminat...
Researchers observed one bird impale a rodent on a cactus.研究人员观察到一只鸟把一只啮齿动物钉在一棵仙人掌上。'The rat,'said O'Brien, still addressing his invisible audience,'although a rodent, is carnivorous.“ 老鼠, ”奥勃良仍向看不见的听...
The photographer arrived at the airstrip just an hour before sundown.这位摄影师恰好在日落前一小时赶到了临时跑道.Eventually he spotted the airstrip spread out on a level terrain.他终于找到了那个伸展在平地上的简易机场.Either, I just stopped in appreciation airst...