Severe steric effects at the reactive carbon would impede the substitution.大的立体效应阻止在碳上的取代.It was intended to impede the apprehension of the person.它旨在妨碍对该人的拘押的.They also impede backmixing of sand.同时也可防止砂子的返混....
It was intended to impede the apprehension of the person.它旨在妨碍对该人的拘押的.They also impede backmixing of sand.同时也可防止砂子的返混.At no time did I make an attempt to impede any investigatory effort.我绝没有试图妨碍过任何调查工作。Severe steric effe...
human immunodeficiency virus or HIV人体免疫缺陷病毒，即HIVThese conclusions have emerged from observations of persons exhibiting different states of immunodeficiency.这些结论是从观察人的各种免疫缺陷症状得出的.About 50 % of Acquired Immunodeficiency Sy...
我试图去够脚刹，但是没能踩到。I tried to reach the foot brakes but I couldn't.他们正好踩上了饵雷，结果被炸得粉身碎骨。They walked right into a booby-trap and got blown to smithereens.刹车踩得越用力，车子减速越猛。The harder the brake pedal is pressed, the greater t...
如果换作我写这封信，我或许会用不同的措辞。If I had written the letter, I might have worded it differently.我让她原原本本地重复一下帕蒂的措辞。I asked her to repeat specifically the words that Patti had used.他说起话来合乎情理，措辞谨慎，而且说服力强。He spoke reasonably, carefully...
...enormous glaciers, which at one time covered vast areas of the northern hemisphere.一度覆盖了北半球辽阔区域的巨大冰川The dominant hemisphere of olfaction is the right hemisphere.右侧大脑半球为嗅觉“优势半球”....the northern hemisphere.北半球Other grow...
'This thing with the Corbett woman.'—'Oh, yeah. What about her?'“是跟那个科比特家的女人有关的事。”——“哦，是吗，她怎么了？”Corbett rubbed his eyes wearily.科比特疲倦地揉了揉眼睛.Corbett leaned against the wall and promptly vomited.科比特倚在墙边...