The lifetime dose of radioactivity to which a person eating irradiated food could be exposed could realistically amount to one-millionth of the recognised limit of average exposure of an individual to radioactivity from other source over the same period.

人们由于吃进辐照食物所遭受的放射剂量,实际上不多于同一时期一个人平均可能遭受到的来自其它放射源的放射的可觉察的极限的百万份之一。

属类：化学及生命科学-化学-

Any unbiased observer would see his career as a lifetime of service to his country

任何不抱偏见的观察家都会认为他毕生为他的国家服务。

属类：综合句库--

Anyone in my position would have been ruined if he had attempted to dive into depths which not even a lifetime of study could plumb

任何一个处于我这样地位的人，要想深入钻研这种穷毕生之力也无法钻透的问题，是一定要累死的。

属类：综合句库--

His father was a spare old man, his hands gnarled after the work of a lifetime , silent and upright

施特略夫的父亲是个瘦削的老人，因为终生劳动，两手骨节扭结，不言不语，诚实耿直。

属类：综合句库--

The question of world hunger is a very hard nut to crack. I doubt if we’ll find the answer to it in my lifetime .

世界性的饥饿问题是个极其难以解决的问题，我恐怕人们在我这一辈子都找不出解决的办法。

属类：综合句库--

They wouldn’t have to go to the sawmill to be useful. You always need fence posts and tool handles. It doesn’t take a lifetime to raise trees large enough to do that.

树不是非要送到锯木厂去才算有用啊。你哪个时候也离不了篱笆桩、锹把吧。对种的树派上这样的用场不需要等一辈子呀。

属类：行业术语-林业-

Decaying with relatively short lifetime .Used of subatomic particles.

衰变的具有相对较短的寿命而衰变，常用于亚原子粒子

属类：综合句库--

And before too long a million people a year will be taking their once-in-a-lifetime , round-the-world cruise in orbit

所以用不了多久，每年将有100万人进入地球轨道，经历一生一次的环球巡航。

属类：综合句库--

He devoted the energies of his lifetime to the cause of education.

他把毕生精力献给教育事业。

属类：综合句库--

He compresses a lifetime as a soldier into a few sentences

他把他的戎马一生压缩成几句话。

属类：综合句库--

He was offered a lifetime professorship

他被聘为终身教授。

属类：综合句库--

During his lifetime his work was never published.

他的作品在他的有生之年从未出版过.

属类：综合句库-典型例句-

Pt clue to this may lie in something he once said to Malcolm Muggeridge, the English journalist and interviewer: "A writer’s knowledge of himself, realistic and unromantic, is tike a store of energy on which he must draw for a lifetime ."

他对采访他的英国记者马尔科姆·马戈里奇说过的一句话可能对这种情况提供一个线索，那就是:“一名作家对自己的现实的、非浪漫性的认识，就像一个能源的储备，他必须一生从中吸取。”

属类：综合句库--

If he’s going down to the world of men, I would like to go too so that if I repay him with as many tears as I can shed in a lifetime I may be able to clear this debt.

他既下世为人,我也去下世为人,但把我一生所有的眼泪还他,也偿还得过他了.

属类：文学表达-中文名著-红楼梦

After a lifetime of poverty, his last few years were spent in comparative comfort.

他贫困一生，最后几年里生活相对来说比较宽裕。

属类：综合句库--

Being himself childless, it was his openly expressed desire that the whole countryside should, within his own lifetime , profit by his good fortune

他无儿无女，曾公开表示，在有生之年将给整个乡区以资助。

属类：综合句库--

He had a lifetime of frustrations.

他一生坎坷。

属类：综合句库--

He has gone through many a severe test during his lifetime .

他一生中经受过多次严峻的考验。

属类：综合句库--

He met with many a setback in his lifetime .

他一生中遭到过许多挫折。

属类：综合句库--

He ran away from it because he fancied that he had been illtreated, and soon found it easy to make more money by thieving than his father had done by a lifetime of honest work

他自认为受到了虐待，便不辞而别。很快他就发现偷窃的行当比他父亲毕生诚实劳动容易挣到更多的钱。

属类：综合句库--

Tom was a lifetime car fanatic,caught the bug at17.

汤姆一生喜爱汽车，17岁就染上此嗜好。

属类：综合句库--

A lifetime of perfect coordination

完美和谐的一生

属类：综合句库--

In vain her anxious thought for half a lifetime

枉费了,意悬悬半世心

属类：文学表达-中文名著-红楼梦

Wells was not likely to forswear the faith of a lifetime

威尔斯决不会背弃他毕生的信仰。

属类：综合句库--

Book now for the holiday of a lifetime !

为机会难再的假日现在立即预订!

属类：综合句库--

The pure water from our factory is your necessary lifetime companion.

我厂生产的洁净水是您不可缺少的人生伴侣。

属类：综合句库--

I find the research on juvenile psychology so fascinating that I have made up my mind to consider it my lifetime pursuit. That is why I am applying to do a graduate course of psychology in your university.

我发现少年心理研究非常有意思，决心把我的一生贡献给这项研究。这也是我申请到贵校攻读心理学研究生课程的原因。

属类：应用文体-求职-

I doubt if there will be a female president in this country in my lifetime .

我怀疑在我有生之年这个国家会不会出现一位女总统。

属类：综合句库--

During my lifetime I have dedicated my life to this struggle of the african people

我将一生献给了非洲黑人的这场斗争。

属类：综合句库--

"My chance of a lifetime !" We talked for hours

我们聊了几个小时，我总说这是我生命中的一次机遇。

属类：综合句库--