水管工人的工作是以小时收费的.Plumbers charge by the hour for their work.让驾驶员深感不满的是驾驶执照收费的提高。The main grievance of the drivers is the imposition of higher fees for driving licences.因此,必须考虑其他的解决收费的方法.Other formulas for setting the charg...
Jed nodded, finishing off the last piece of pizza.杰德点点头，把最后一块比萨饼吃完。"I party some," said Jed.杰德说：“我有时会去参加聚会。”After a slow, painful walk down the mountain, Jed came to a cool - looking river.往下走了一段缓慢辛苦的山路后, 杰德来到一条看来很清凉的河流前...
Objective To study the germicidal mechanism of propolis - silver ion compound nanometer emulsion.目的研究蜂胶 - 银离子复合纳米乳剂杀菌机理.Objective Experimental observation on germicidal efficacy bit of electrolyzed oxidizing water.目的用悬液定...
命运是赐予者,也是掠夺者.Fortune is a giver and a taker.浪费者和掠夺者们在慢慢地糟蹋着我们的土地.Slowly the wasters and despoilers are impoverishing our land.我们象绵羊, 在这个充满了掠夺者的宇宙里软弱得无法保护自己.We're like sheep, too weak to protect ourselves in a univer...
The compound of acryloyl chloride was synthesized by benzoyl chlorid and crylic acid.利用苯甲酰氯与丙烯酸反应制备丙烯酰氯.N - acryloyl morpholine was synthesized from acryloyl chloride and morpholine and the purity of product was 99.5 %.以...