Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Isopropyl p - hydroxybenzoate was synthesized with toluene - p - sulfonic acid as catalyst.以对 甲苯 磺酸为催化剂合成了尼泊金异丙...
子弹未击中预定的目标。The bullet missed its intended target.爆发政治危机的迹象日趋明显，一位高级领导人昨天取消了预定的英国之行。A senior leader cancelled a trip to Britain yesterday amid growing signs of a possible political crisis.我叫王峰,我想取消我预定的飞机票.My name is Wang ...
This government has developed an unhealthy obsession with secrecy...本届政府在保密方面做过了头。This is a lifestyle that is dehumanizing us, making us unhealthy, stressed out, and unhappy.这是一种极大的破坏我们生活质量的生活方式, 使我们的生活不那么健康, 充满了压力和烦恼.Yo...
A few lecturers have been improvising to catch up.部分讲师被临时抽调以救急.I asked her what the piece was and she said, 'Oh, I'm just improvising'...我问她那一段是什么音乐,她说：“噢,我只是即兴弹的。”I asked her what the piece was and she sa...
It's here that we come up against the difference of approach.我们就是在这一点上面临方法上的分歧。Ben's case is not unique but one of several I have come up against during the past few years.本的案子并不特殊，我在过去的几年中也碰到了几起这样的案子。He has co...