Water is a basic necessity of life.
水是一种基本生活必需品。
There is agreement on the necessity of reforms.
关于改革的必要性有一致意见。
We were discussing the necessity of employing more staff.
我们在讨论是否需要雇用更多员工。
Air-conditioning is an absolute necessity in this climate.
这样的气候绝对需要有空调。
There had never been any necessity for her to go out to work.
她从来就没有出去工作的必要。
As soon as the necessity for action is over the troops must be withdrawn.
一旦军事行动的必要性不复存在，部队必须撤离。
It would be the first time in human history that economic necessity has prevailed over military aggrandizement.
经济需要压过了军事扩张，这将是人类有史以来的第一次。
Travel has become a necessity.
旅行已经成为一种必需品。
Necessity is the mother of invention.
需要乃发明之母。
This necessity comes with the rise of big science.
这种必要性是伴随着大科学的崛起而产生的。
The fund-raising ability is largely a product of experience and necessity.
筹集资金的能力在很大程度上是经验和必要性的产物。
Obtaining good health insurance is a real necessity while you are studying overseas.
留学时，一份好的医疗保险是非常必要的。
Sometimes convenience or practical necessity or just the fancy of an influential person can establish a fashion.
有时，某种便利或实际的需要，或仅仅是一个有影响力的人物的幻想就可以引领一种时尚。
Machine translation makes some parents raise doubts about the necessity for their children to learn foreign languages.
机器翻译使一些父母怀疑是否有必要让他们的孩子学习外语。
Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.
因此，使用替代燃料和提高能源效率既是生态需要，也是技术挑战。
Andrew Schubert, a researcher at the institute for science policy research, says that the rising collaboration is partly out of necessity.
科学政策研究所的研究员安德鲁·舒伯特表示，这种日益增强的合作在一定程度上是必要的。
Andrew Schubert, a researcher at the institute for science policy research, says that the rise in collaboration is partly out of necessity.
科学政策研究所的研究员安德鲁·舒伯特表示，合作的增长有一部分是出于必要性。
应用推荐