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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
She blotted the paper.
她把纸弄脏了。
Someone had let the news out.
有人把这消息泄漏出去了。
75 per cent of the amount originally borrowed is still outstanding.
最初的借款仍有75% 未偿还。
Ring the spelling mistakes with red ink.
用红墨水把拼写错误圈出来。
There were large crowds of people in the street on New Year's Eve.
除夕那天街上有大批人群。
They convicted the wrong man on the basis of a signed confession with no corroborative evidence.
凭一张有签名的认罪书而没有确凿的佐证，他们就错误地判了那人有罪。
Tact is a valuable commodity.
圆滑老练是很有用处的。
His determined efforts at last bore down all opposition.
他终于以坚持不懈的努力战胜了所有的反动势力。
I was shocked by her infamous behaviour.
她的无耻行径令我震惊。
We can rely on our children to do such work.
这样的工作我们可以放心地让孩子们去做。