James Watt spent 20 years laboring to perfect his steam engine.

The laboring classes migrated to town from rural districts.

劳动阶级自农村移往城市.

Laboring muscles burn oxygen rapidly and pour out waste carbon dioxide.

劳动着的肌肉能迅速燃烧氧气,放出废料二氧化碳.

She has been laboring at the reception desk allthe day.

她整天都在接待处忙个不停.

Cities grew rapidly, a large laboring class developed.

城市在迅速地发展, 结果导致劳动大军的发展.

But this knowledge did not keep them from laboring to save him.

然而,这并不妨碍她们尽力挽救他.

Or an occasional sigh from the laboring heart of the Captain.

间或有一声叹息从上校沉重的心底发出.

The laboring people of the world are called on to unite.

号召全世界的劳动人民团结起来.

Just before sunset the peasants quit laboring in the fields.

农民们直到日落方结束在田间的劳动.

He was knocked out after a day of laboring in the garden.

在花园里劳动一天之后,他筋疲力尽.

But it was a slow, laborious process.

但是,整个采石过程在当时却进展缓慢, 历尽艰辛.

Checking all the names was a slow, laborious job.

核对全部名字是件既慢又费劲的事.

They at their destination after a laborious journey.

经过艰苦的旅程,他们终于到达了目的地.

The approach usually requires laborious modeling and expensive rendering hardware with special purpose.

这种方法需要费时费力的建模和昂贵的专用绘制硬件.

Unraveling these interactions has been a laborious chore.

理清这些相互作用是一件繁琐的工作.

To make a sound resembling laborious breathing.

气喘似的响发出呼哧呼哧的声音.

Must thank you in here me, was laborious!

在这里我要谢谢你们, 辛苦了!

I got bogged down in a long laborious lawsuit.

我因费时、费力的诉讼而陷入困境.

Mutation analysis of BRCA 2 is laborious with the huge coding sequence and the diversity of mutations.

BRCA2的突变分析是很吃力的工作,含有大量的编码序列和多种突变.

On the first day shall be a holy convocation; you shall do no laborious work.

民 28:18 第一日当有圣会、甚麽劳碌的工都不可作.

The scientists, by sympathetic study and laborious toil, have brought them within our ken.

科学家们经过孜孜不倦的学习和刻苦钻研让我们知晓其奥秘.