Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.研究了用无溶剂重结晶法提纯2,6二氯甲苯.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination...
生命起源的确切详情仍是个谜。The precise details of the origins of life remain hidden.关于生命起源的学说有很多.There are many theories about the origin of life.生命是怎样起源的?How did life begin?...
有些德国人喜欢饮用不掺水的苹果醋.Some Germans have taken to drinking cider vinegar neat.请给我一杯掺水的苏格兰威士忌.I want to have a Scotch and water, please.请来杯掺水的威士忌.One whiskey with water, please....
在斯堪的纳维亚神话里，月亮被赋予了男性身份。In Norse mythology the moon is personified as male.有关那喀索斯的神话故事在奥维德的作品中有过描述。The myth of Narcissus is described in Ovid's work.分清楚神话和现实是不可能的。It's impossible to disentangle the myth from real...
Airlines should stand or fall on their ability to attract passengers.航空公司的成败应该取决于它们吸引乘客的能力。We watched buildings fall on top of people and pets.我们看到一幢幢大楼倒塌，砸在人和宠物身上。Words thus strung together fall on the ears like music.这...
This heirloom has been handed for several generations.此项产业已经数代相传了.She treasured the brooch because it was an heirloom.她把这枚饰针视为珍宝,因为这是祖上传下来的.That clock is a family heirloom.那个座钟是祖传下来的....
阿姆斯特朗拿不准自己的人生远景在何方。Armstrong is uncertain where his long-term future lies.他们对公司的远景不那么乐观。They are less sanguine about the company's long-term prospects.这家企业的远景极其美好.The enterprise has excellent prospects....