化学的这个阶段差不多一直延续到1700年.This phase of chemistry lasted till about 1700.量子化学的重要生物学应用正在不断增加.Significant biological applications of quantum chemistry are on the increase.它们全都有警戒色, 表明它们全都有化学的保护作用.All are aposematuically colored...
Mother dished the food up straight out of the saucepan.母亲直接从平底锅里盛出饭菜端上来.Put water, butter and lard into a saucepan and bring slowly to the boil.把水、黄油和猪油倒入平底锅，然后慢火煮沸。Heat a couple of tablespoons of olive oil, a chopped cl...
一对对摔跤手采取声东击西的佯攻手法,使对方猝不及防,终于揪住了对方,开始搏斗起来.With lightning feint, one after another pair finally seized hold and began to grapple.黛丝和山姆森正在讨论女摔跤手凯莉?威廉斯.Daisy is talking with Samson about Kelly Williams, the female wrestler.医...
Okay, with the proviso that Jane agrees, I accept.好，如果简答应，我就接受。Jerry added, by way of proviso.杰瑞说道, 仿佛加上一份“但书”.You can borrow this book, with the proviso that you return it to me within aweek.你可以借这本书, 条件是你要在一周内还我书....
人们早已知道，如果材料的表面积足够大，可引起催化反应。It had been known for some time that chemical reactions can be catalyzed by materials with large surface areas.它们对被它们催化的反应有很强的专一性.They are highly specific for the reactions that they catalyze.在...