Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。The smelling of ammonia brought himaround.嗅氨使他恢复了意识.The amide nitrogen of glutamine or asparagine functions more effectively than ammoni...
He lengthened his stride to keep up with her.他迈大步追上她。Suddenly, he pulled up sharply in his stride, and fell to the floor...突然，原本大步流星的他猛地停住了脚步，倒在了地上。He would stride on stage then proceed to coax the sweetest possible soun...