用闪光照相，要把光圈孔径定为5.6。For flash photography, set the aperture at f.5.6.他把镜头光圈孔径缩小.He stopped down the lens to a small aperture.逆合成孔径雷达 ( ISAR ) 是指固定雷达对运动目标成像.Inverse synthetic aperture radar ( ISAR ) imaging involves station...

Boil the butter and sugar until they form a caramel.把黄油和糖煮开,直到煮成糖浆.The caramel looks awfully good.黄油奶糖看上去非常好吃。Objective : To develop the method for the determination of 4 - methyl imid azole in caramel.目的: 建立 4- 甲基咪唑的快速定...

It is compulsory for all motorcyclists to wear helmets.所有骑摩托车的人都必须戴头盔，这是强制性的。The shop at the corner of the street sells helmets.街道拐角那家商店出售安全帽.Protective helmets must be worn on site.在工地必须戴防护帽....

Chicken liver chromatin component DNA : RNA : histone: non - histone ratio is 1∶0.鸡肝染色质组成成分DNA∶RNA∶组蛋白∶非组蛋白的质量液度的比值为: 1∶0.The chromatin remodeling and histone acetylation were associated with transcription activation.真核基...

老师们常认为青少年工作者纪律性差且能力低下。Teachers often view youth workers as undisciplined and ineffectual.非国有企业逐渐挤掉了效率低下的国有企业。Non-state firms gradually elbow aside the inefficient state-owned ones.患有诵读困难症并不意味着智力低下。两者相差甚远。Being dyslexic d...

“要让这片丛林成为果园，”他无比兴奋地说。"Orchards would take the place of the jungle," he rhapsodized.英国的小型果园很难在经济上和法国的大型果园竞争。Small English orchards can hardly compete economically with larger French ones.他们把山坡变成了果园,把平地变成了粮仓.They turned th...

Simone de Beauvoir is one of the most forerunners of contemporary feminism.西蒙娜·德·波伏瓦是当代著名的女性解放运动的先驱.Heavy clouds are the forerunners of a storm.阴云密布是暴风雨的前兆。Country music was undoubtedly one of the forerunners of rock and...

If a person is short - sighted, images are focused in front of their retina.人如果近视的话, 图像就会聚焦在视网膜前方.The retina , the inner layer of the globe, consists of two portions.视网膜是眼球的内层, 包括两部分.The periphery of the retina is very s...

It must have reinforced my determination to blend into my surroundings.这势必让我更加下定决心融入周围环境。If fighting worsens, the troops might be reinforced, or ingloriously withdrawn.如果战势恶化，军队可能得到增援，或不光彩地撤退。The prison was made of reinf...

He has the perfect body scale: wide sholder and slender haunch.他拥有最完美的身体比例: 肩宽而腰瘦.She was slender, with delicate wrists and ankles.她身量苗条，手腕和脚踝曲线玲珑。Her legs were long and fine, her hips slender, her carriage erect.她长腿细臀，身...

Since she'd offered to babysit, I took her up on it.她既然主动提出帮助照看孩子，我也就同意了。You can take it in turns to babysit.你们可以轮流照看孩子。My friend asked me to babysit for her six-month-old son.我朋友请我临时看顾她6个月大的儿子。My friend asked me to...

He was a major influence in converting Godwin to political radicalism.戈德温变成政治激进主义者主要是受他的影响。If you're converting your loft, these addresses will be useful.你要是打算改造阁楼，这些地址会派上用场。Save money by converting your car to unle...

The sentry would not let her enter.警卫不让她进去。Aren't you supposed to be on sentry duty?你不是应该在站岗吗？to be on sentry duty放哨...

厨房的钟六点十分了。It was ten past six by the kitchen clock.差四分六点。It's four minutes to six.列车将在六点钟离开火车站.The train is departing from the railway station at 6 o'clock....

发现问题后，如何克服它的问题又出现了。Having identified the problem, the question arises of how to overcome it.我要克服所有的软弱、绝望和恐惧。I would overcome any weakness, any despair, any fear.我意识到我不得不克服语言障碍。I realized I had to surmount the language ba...

Rarely do schoolteachers have leeway to teach classes the way they want.鲜有学校老师可随心所欲地教书的情况。How much leeway should parents give their children?父母应该给孩子留多少自由的空间？He just could not make up the leeway from the earlier stages in...

There was a dark smudge on his forehead.他的额头上有一个黑乎乎的污点。She kissed me, careful not to smudge me with her fresh lipstick...她小心翼翼地吻了我，以免把刚刚抹上的口红弄到我脸上。Smudge the outline using a cotton-wool bud...用一根棉签把轮廓抹花。The police identi...

这家工厂生产漂白液和餐具的洗涤液.The factory produces bleach and washing - up liquid.生产一次性餐具的设备(杯子,碟子, 盘子,盘子).Vacuum thermoform forming machine for plastic cups, plates.本公司是上海地区经销餐具的批发商.We are a tableware wholesaler in Shanghai....

He represented Brutus in the school play.他在校剧中扮演布鲁特斯.I've been recast as Brutus.我改演布鲁特斯一角.Octavian and Mark Antony defeated Brutus and Cassius in 42 BC.屋大维和马克·安东尼在公元前42年战胜布鲁特斯和卡修斯....

All wooden dunnage or packing material must be bark free.所有木衬板或填充料必须任意是吠声.B . All cargo inside warehouse without covering and partly dunnage with double straw squares prior loading.所有货物仓库堆存,无覆盖. 装货前部分用双层草耙隔垫.Dunnage bagg...

The illness had a profound effect on his outlook.这场病对他的人生观产生了深刻的影响。It's a quite profound story, with powerful religious overtones.这个故事寓意深远，具有强烈的宗教色彩。The overwhelming feeling is just deep, profound shock and anger.最强...

a powerful car with a 170 horsepower engine发动机为170马力的大功率汽车The worshiper thinks that the worst is the insufficient horsepower.崇拜者认为最坏的事是马力不足.The engine puts out thirty horsepower.这台发动机可产生30马力....

The collision took place in the busiest shipping lanes in the world.撞船事故发生在全世界最繁忙的航道上。Approaching cars will be routed into two lanes.驶来的车辆会分流到两条车道。John drove homeward through the lanes.约翰驱车穿过小巷向家驶去。...

他炫耀自己通过装病来逃避服兵役。He boasts of dodging military service by feigning illness.他逃到了哥斯达黎加以逃避服兵役。He fled to Costa Rica to avoid military service.许多应征入伍者对被迫服兵役愤愤不平。Many conscripts resent having to do their military service....

The sudden onset of winter caused havoc with rail and air transport.冬天的突然降临让铁路和航空运输系统陷入混乱。The president traveled by rail to his home town.总统坐火车回到了他的家乡。The gloom deepened after a thumping £45m loss at British Rail.英国铁路公司遭...

A cold is an infection of the upper respiratory tract.感冒是上呼吸道的感染。She produced a feminist tract, "Comments on Birth-Control", in 1930.她1930年写了篇女性主义的短文《论节育》。A vast tract of land is ready for development.一大片广阔的土地可待开发。...

"You don't need to do that," said Pearl assertively.“你不需要那么做，”珀尔斩钉截铁地说道。And what is that pearl of wisdom supposed to mean?那番精辟见解到底是什么意思呢？On the table sat a box decorated with little pearl triangles.桌上有一只用珠子串成的小三角形作装...

卢瑟福和他的同事们在这一成功鼓舞下, 又在为他们的射击术寻求别的靶标.Encouraged by this success, Rutherford and his colleagues looked for other targets for their marksmanship....

随着硝酸浓度的降低,镅的吸附率迅速升高,当溶液的pH值大于5时, 碳纳米管对镅的吸附率达到99.95%以上.When pH & gt ; 5, more than 99.95 % of Am can be adsorbed by CNTs.Si ( Au ) 面垒监测器对镅、锔浓度测定精度为±5%.The precision of 243 Am and 244 Cm concentration determination using S...

The competitors cantered into the arena to conclude the closing ceremony.选手们慢跑进入竞技场，为闭幕式画上了句号。So what can we conclude from this debate?那么从这场辩论中我们能得出什么结论？What do you conclude from that?你从这件事中得出了什么结论？...