I don't know how often I heard the same awful jokes.这种千篇一律的烂笑话我不知道听过多少回了。No matter how often they turn up, their welcome never wears out.不管他们多久露面一次，都永远那么受欢迎。How often do you give your phone number out?你经常把自己的电话告诉别人吗...

The lessons learned at the cost of blood helped to sober us.血的教训使我们的头脑清醒了.We must cherish experience acquired at the cost of blood.我们必须珍惜用鲜血换来的经验.He rescued the boy from drowning at the cost of his own life.他救这小孩免于淹死却牺牲了...

主管，负责，照料...

He lives somewhere in the neighborhood of the station.他住在火车站附近的某个地方.The total was in the neighborhood of 100 pounds.总数大约是100英镑.You'll find It'somewhere in the neighborhood of the park.你会在公园附近找到它....

Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.A beam of light produced by a laser can weld metals.激光器发生的光束可以焊接金属.A beam of light produced a laser can weld metals.激光器发生的光束可以焊接金属...

n.加氢醛化加氢甲酰化（作用） 羰基化作用...

We don't want to look like a bunch of cowboys.我们不想看上去像一帮奸商。You're all a bunch of bums.你们都是一群废物。My neighbours are a bunch of busybodies.我的邻居们是一群爱管闲事的人。...

dispose of的音标：dispose of的英式发音音标为：[dis'pəuz ɔv]dispose of的美式发音音标为：[dɪ'spoz ʌv]...

He made a living of sorts selling pancakes from a van.他靠用货车卖薄饼勉强度日。She even managed a grimacing smile of sorts.她甚至做了个怪笑。He was out of sorts physically , as well as disordered mentally.他浑身不舒服, 心绪也很乱....

The police say his death was an accident, officially at least.警方说他的死是个意外，起码官方消息如此。He officially announced his retirement from first-class cricket yesterday.他昨天正式宣布退出甲级板球赛。This child is nobody's child until someone m...

（使）分离，（使）脱离，停止，断交...

go off sb的音标：...

（使）不接近，禁食，（雨、雪等）没有下，避开某一话题...

Get hold of the company list from your careers advisory service.到就业指导处领取企业名录。The only electrician we could get hold of was miles away.我们唯一能够联络到的电工离这里有好几英里远。He first had to get hold of some basic facts.他首先得弄清一些基本事实。...

I greatly esteem your message in the midst of our hard struggle.您在我们奋力抗争时发来的电文让我充满了敬意。Eleanor arrived in the midst of a blizzard.埃莉诺在暴风雪大作时到达。Such beauty was unexpected in the midst of the city.市中心有这样的美景真是出乎意料。...

adj.非官方的，非正式的，不作为官方活动的...

有时，偶尔...

leadoff的音标：leadoff的英式发音音标为：['li:dɒf]leadoff的美式发音音标为：['lidˌɒf]...

There was a lot of noise offstage.后台十分嘈杂。We go offstage and come back for the convention of the encore.按照加演的传统做法，我们走到后台后又再次返场。She ran offstage in tears...她哭着跑下台。The stars were having an offstage relationship.这对明星在现实生活中发展...

micromicrofarad的音标：micromicrofarad的英式发音音标为：[maɪkrəʊ'maɪkrəʊfærəd]micromicrofarad的美式发音音标为：['maɪkroʊ'maɪkroʊˌfærəd]...

If police are carrying arms as a matter of course then doesn't it encourage criminals to carry them?如果警察每天理所当然地携带武器，这难道不会促使罪犯也持械吗？I lock the door as a matter of course.我当然要把门锁上.I check my in - tray every morning as ...

一个世纪之末和下一个世纪之初，世纪初，世纪末...

Waterproofed fabric pants are more expensive than plastic pants.防水纤维短裤比塑料短裤贵多了。Waterproofed 100 % leather upper, with a light, durable polyurethane molded sole.有一亮, 持久聚氨基甲酸乙酯的使能防水100%皮革鞋帮塑造脚底.The outer covering of the eg...

offspring的近义词/同义词有：young, descendant, child, posterity, seed, conclusion, successor, heir。n.offspring的近义词（孩子;后裔）：young, descendant, child。offspring的近义词（其他释义）：posterity, seed, conclusion, successor, heir。...

v.估计，观察（对某情况）加以总结，作出评估，进行反思，对…做出判断...

Objective To observe the autofluorescence of dated fundus hemorrhage excited excitation light with different wavelength.目的观察不同波长光线激发的陈旧性眼底出血的自身荧光现象....

把注意力从…转移他处...

微裂变...

get the hang of的音标：get the hang of的英式发音音标为：[ɡet ðə hæŋ ɔv]get the hang of的美式发音音标为：[ɡɛt ði hæŋ ʌv]...

ticket office的音标：ticket office的英式发音音标为：['tikit 'ɔfis]ticket office的美式发音音标为：['tɪkɪt 'ɔfɪs]...