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He's a crackerjack at technical innovations.是什么意思？

He's a crackerjack at technical innovations.

他是个技术革新能手.

相关词汇
crackerjack at technical innovations

crackerjack

n. <俚>能力极强的人，极佳之物；
例句
Hellstew. Stand back and watch a crackerjack chef at work.
你太厉害了!现在我可以做我的“五星级地狱激怒琵琶鱼炖汤”了! 站好看清楚超级厨师的表演吧.

at

prep. （表示位置）在，在（某时间或时刻），以，达， 向，朝；n. 阿特（老挝辅币单位，100 阿特 = 1 基普）；
例句
Prices start at £13.95 a metre for printed cotton...
印花棉布以每米13.95英镑的价格起售。

technical

adj. 技术（性）的，工艺的，学术（上）的，专门（技术）的，艺术的，[法]根据法律的，法律上的，[商]人造的，用工业方法制造的，由市场内部因素（如投机等）引起的，〈美俚〉外表的，表面上的，浅薄的；
例句
Without more training or advanced technical skills, they'll lose their jobs.
没有进一步的培训或高级技能的话，他们就会丢掉工作。

innovations

n. 改革( innovation的名词复数 )，新观念，新事物，新设施；
例句
...the transformation wrought by the technological innovations of the industrial age.
由工业时代的新技术方法促成的变化
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。
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。
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。
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
The unit of heat we shall use most frequently is the kilocalorie.
我们最常用的热量单位是千卡.
Marble is used not only in the building industries but also for sculpturing.
大理石不仅用于建筑工业,还可用于雕刻.
Several fishermen sat on wooden barrels, tending their nets.
几个渔夫坐在木桶上修补渔网。
Rachid tastes the tea and spits it out.
他品茶并将其分辨出来.
She looked doubtfully at him, at the low shanty.
她犹豫不定地看着他, 看着那间矮棚屋.
It's all full of psychoanalytic mumbo-jumbo.
这里面全是精神分析的一派胡言。
In Modern history, China had suffered greatly imperialist and colonialist invasion.
中国在近代历史上，备受帝国主义和殖民主义的侵略、瓜分，人民饱受凌辱。
Kelly's too young to go unaccompanied.
凯利还太小，不能自己一个人去。
...the second-largest city in the United States.
美国第二大城市
He is niggardly of money.
他用钱吝啬.