A racing car is an extraordinary feat of engineering.
赛车是工程学的一项非凡业绩。
Giving up an addiction is a humbling experience.
戒掉一种嗜好是一次令自尊心受挫的经历。
He passed an electric spark through a mixture of gases.
他使一束电火花穿过一团气体混合物。
Putting on an opera is a tremendous enterprise involving literally hundreds of people.
上演一台话剧是一项巨大的事业，它确实要几百个人参与。
Using an alias, he had rented a house in Des Moines.
通过使用一个化名，他已在得梅因租了一所房子。
She found him an exalted sinecure as a Fellow of the Library of Congress.
她给他找了一个级别很高的闲职：国会图书馆研究员。
Loving relationships that a child makes will give him an inner sense of security.
儿童所建立的友爱关系会使他的内心有一种安全感。
Conception occurs when a single sperm fuses with an egg.
当一个精子和一个卵子结合时受孕就发生了。
Witnesses said the gunman immediately ran to a motorcycle being ridden by an accomplice.
证人们说该枪手立即向由一名同犯驾驶的摩托车跑去。
He was a stern critic but an extremely kindly man.
他是一位严厉的批评家，却是一个非常仁慈的人。
As a schoolgirl, she had dreamed of becoming an actress.
当她是一名女学生的时候，她曾梦想过成为一名女演员。
Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that's the body's first line of defense against germs.
那些在记忆测试中表现良好的人，其体内的免疫球蛋白A水平会升高。免疫球蛋白 A 是一种抗体，是人体抵御细菌的第一道防线。
He was an O'Conor and a direct descendant of the last High King of Ireland.
他属于奥康纳家族，是爱尔兰最后一位君王的嫡系后裔。
He handed me an envelope with a cheque for $1,500.
他递给我一个信封，里面有一张$1500的支票。
She was an accomplished pianist, a superb swimmer, and a gifted artist.
她曾是一位很有造诣的钢琴家、一流的游泳健将和天才艺术家。
The book also includes an appendix with a listing of all U.S. presidents.
这本书还包含一个列有所有美国总统的附录。
Capitalize all proper nouns but not the articles (a, an) that precede them.
把所有的专有名词大写，它们之前的冠词(a,an)则不用。
A: An information type describes a category of topics, such as concepts, tasks, or reference.
答：信息类型描述主题的类别，例如概念、任务或引用。
Ignore the little words like it, to, a, an, and, be — you know the ones.
忽略诸如it,to,a,an,and,be等“小词”-这些词你太熟悉了。
Ignore the little words. Ignore the little words like it, to, a, an, and, be — you know the ones.
忽略诸如it,to,a,an,and,be等“小词”-这些词你太熟悉了。
For a novelist, that's quite an accomplishment.
对于一个小说家来说，那是一个了不起的成就。
He exchanged a few words with the proprietor, an old acquaintance of his.
他跟一位业主，他的一位老相识交谈了几句。
He was grappling with an alligator in a lagoon.
他当时正与环礁湖里的一只鳄鱼搏斗。
I fondly imagined that surgery meant a few stitches and an overnight stay in the hospital.
我不切实际地以为外科手术就是缝几针并在医院呆上一夜。
There will be an overlap of a week while John teaches Ann the job.
将有一周的交接期供约翰向安解释工作性质。
It causes hepatitis a, an acute liver disease.
其导致甲型肝炎，一种急性肝病。
Nursing a demented person is an all-consuming task.
护理一个精神错乱的人是一项非常耗力的任务。
There was a time when each teacher spent an hour, one day a week, testing students in every subject.
曾有一段时间，每个老师每周都花一小时来测验学生的各门功课。
While it was unclear who first alerted the authorities to the potential breach, the person was not an employee of the T. S. A. , an official of the agency said.
谁首先向官方报告这一潜在威胁的目前仍不清楚，相关机构的一名官员表示，此人不是交通安全总署的雇员。
Send them an email—it's a lot less hassle than phoning.
给他们发个电邮吧，这比打电话省事多了。
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