the long-term effects of fertilizers肥料的长远影响Crushed bones make one of the best fertilizers.骨粉是最佳肥料之一.The use of pesticides and fertilizers produces cheap grain and vegetables.使用杀虫剂和化肥生产出廉价的谷物和蔬菜....
苏氨酸被苏氨酸脱氨酶脱氨产生α - 酮丁酸.Deamination of threonine by the enzyme threonine deaminase produces α - ketobutyrate.目的探讨应用连续监测法测定腺苷脱氨酶 ( ADA ) 及其临床应用价值.Objective To study the continuous monitoring method of adenosine deaminase ( ...
他一把扯下那女孩的照片，将它揉成一团。He tore down the girl's photograph, and crumpled it into a ball.她揉了揉胳膊，感觉很疼就停下了。She rubbed her arms, but they hurt and she desisted.需要揉多久取决于用哪种面。Just how much kneading is required depends on the s...