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Necessity is the mother of invention.是什么意思？

Necessity is the mother of invention.

需要是发明之母。

相关词汇
necessity is the mother of invention

necessity

n. 必要（性），（迫切）需要，必需品，自然规律；
例句
It would be the first time in human history that economic necessity has prevailed over military aggrandizement.
那应该是人类历史上首次经济需要高于军事扩张。

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

mother

n. 母亲，妈妈，女修道院院长，大娘；vt. 像母亲般地照顾，养育，溺爱；
例句
I felt I had adjusted to the idea of being a mother very well...
我感到自己已经完全接受了当妈妈的想法。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

invention

n. 发明，发明物，捏造：内心捏造的东西，特指谎言，发明才能；
例句
...the invention of the printing press in the fifteenth century.
15 世纪印刷机的发明
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
They agonized about it for days.
他们为此苦恼了许多天。
He was yoked to an unwilling partner.
他不得不与一位不情愿的伙伴合作。
You’ll need a fairy godmother to get you out of your present difficulties.
你得靠一个大救星才能摆脱现在的困境。
The business finally folded up last week.
这家企业终于在上个星期垮掉了。
He used a clamp to hold the arm on the chair until the glue dried.
他用夹子将扶手夹在椅子上, 直到胶水干后再取下。
a streak of selfishness in her character
她性格有点儿自私
He has devised a scheme for making money.
他想出一个赚钱的办法。
This is the central city of the whole area.
这是整个地区的中心城市。
The company is ready to sign the agreement now, but it takes two to tango and the negotiations may continue for several days yet.
现在公司已经准备签署协议，但是单凭一方还不行，所以谈判可能还要持续几天。
Interest rates have gone up to a hefty 12%.
利率已上升至12%之高。