正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.Normal, double - helix DNA is spiral, like a loosely coiled spring.这就是双螺旋.This is the double helix.由此产生的双螺旋结构减少了摩擦,并允许更快, 更容易系带.The resulting double helix reduces friction and allows faster, e...
He presents his own highbrow literary programme.他介绍了自己那个专业性很强的文学项目的情况。We had a highbrow discussion on classical music.我们就古典音乐来了一次高水平的讨论.The guest speaker was a highbrow Professor from the local college.那位邀请来的讲演者,是当地大学里一位...
Marian is such an egotist that she talks about herself all the time.玛利亚过于以自我为中心,喋喋不休地谈论自己.For my money, Marian was responsible for the trouble we'd had.依我看, 玛丽安对我们遭到的麻烦应负责任.Marian had dreams of becoming a musician, ...
They campaign nationally for the protection of commons, village greens and footpaths.他们在全国搞运动宣传保护城市公园 、 乡村绿地和人行小径.The place is nationally known for its melons and fruit, especially its seedless grapes.这里的瓜果, 尤其是无核葡萄驰名全国....
他中学一毕业就马上进了大学.He went straight from school to university.她在学业上很有上进.She has made great progress in her studies.教他念书的修女激励他努力上进，他最终取得了成功。The nuns who taught him urged him to make something of his life and he did....
He looked as if he had glued the rakish beard on to his solemn face.他看上去就象是把流云般的胡须贴在他庄重的脸上一样.He was a serious young man, not rakish or loud - voiced like the others.他是个规规矩矩的青年, 不象其它小伙子那样流里流气或大叫大嚷.Wild flowers standed sid...