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It's not known who planted the bomb...是什么意思？

It's not known who planted the bomb...

安放炸弹者身份不明。

相关词汇
not known who planted the bomb

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；
例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

known

adj. 大家知道的，已知的，知名的，向某人作自我介绍；v. 知道( know的过去分词 )，看到过，听到过，经历过；
例句
I've known clients of mine go to absurd lengths, just to avoid paying me a few pounds...
我知道我的一些客户就为了少付我几英镑，可谓无所不用其极。

who

pron. 谁，什么人，关系代词，有先行词，孰；
例句
The last French king was Louis Philippe, who abdicated in 1848.
法国末代国王是1848年逊位的路易·菲力普。

planted

v. 种植( plant的过去式和过去分词 )，建立，移植（动物、植物），在（某处）栽种；
例句
It's not known who planted the bomb...
安放炸弹者身份不明。

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。

bomb

n. 炸弹，彻底的失败，[橄榄球] 长传，高压贮罐；vt. 轰炸，投弹于；vi. 投弹，[俚语] 惨败，[俚语] 涂鸦；
例句
She had been trying to assemble the bomb when it went off in her arms...
在她试图组装炸弹时，炸弹在她怀里爆炸了。
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。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
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。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
The only way they can deal with crime is to fight fire with fire.
他们打击犯罪的唯一方法就是以牙还牙。
...a telling illustration of inverted moral values.
是非颠倒的道德观的有力证明
...the blueprint of a new plan of economic reform.
有关经济改革新计划的设想
The kitchen maintains a twenty-four hour service and can be contacted via Reception...
厨房提供24小时餐饮服务，可通过前台进行联系。
...silk brocade of every colour of the rainbow.
彩虹般五颜六色的绸缎
He was far too canny to risk giving himself away...
他非常精明,不会冒险暴露自己。
...bilateral talks between Britain and America.
英国和美国之间的双边会谈
The children lead me through the maze of alleys to the edge of the city.
孩子们领我穿过迷宫一般的街巷，来到城边。
Get on with life and don't sit back and mope.
活跃一些享受生活，不要闲呆着闷闷不乐的。
The tunnels have been widened and deepened.
各条隧道都已拓宽加深。