The active promoter fragment was cloned from actinophage? φ SL 60 and then sequenced by dideoxynucleotide sequencing system.通过测定林可链霉菌噬菌体? SL60启动子活性片段的碱基,分析了该启动子的结构、核糖体结合位点、转录起始位点和翻译起始密码子等功能元件....
For 14 years he collared hitchhikers who passed through town and quizzed them mercilessly.14年来他跟踪调查那些经过城镇的流浪汉并无情的挖苦他们.Chris was looking spruce in his stiff-collared black shirt and new short hair cut.克里斯穿着硬领黑衫，新理了短发，看起来整...
Check the expiration date on your passport.检查一下你护照上的截止日期。Your girlfriend's past her expiration date, and we're crazy?你的女朋友是个死人说我们疯了?Can I have your credit card number followed by the expiration date?能告诉我你的信用卡号码...
They had no thought of surrender...他们没有想过要投降。Paris was besieged for four months and forced to surrender.巴黎被围困了四个月后被迫投降。He will be by no means surrender to intimidation.他决不会屈服于协迫....the need for total personal surrender t...
The children pursued their studies, undisturbed by the many visitors.孩子们继续学习,不因许多来访者而分心。When pursued, he made his escape with a flash of speed...遭到追赶时，他突然飞速地逃脱了。This search is pursued by Woolf through extremes of exubera...
Sylvia took quite a fancy to him...西尔维娅深深爱上了他。Sylvia's face was noncommittal...西尔维娅一脸不置可否。Sylvia, camera in hand, asked, 'Where do we go first?'西尔维娅手里拿着相机问道：“我们先去哪里？”Sylvia: So what exactly did your teache...
恺撒挥师北上，深入到多瑙河沿岸的森林地带。Caesar marched north into the forests that border the Danube River.沿岸的树木在清清的河水里倒映出来.The trees on the shore line were reflected in the clear water.鲨鱼在大西洋沿岸的分布很广泛.Shark is a widely distributed along th...
They were talking in whispers.他们在悄悄地谈话。While he was talking to his secretary, he toyed with a pencil.在和秘书谈话的时候, 他手中摆弄着一支铅笔.How much money are we talking about?...总共是多少钱？Why do you use so many prefixes while talking?你说起话来...