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The nondescript bacteria were responsible for the infectivity of the filtrate.是什么意思？

The nondescript bacteria were responsible for the infectivity of the filtrate.

这种滤液的侵染性应归之于不能描述的细菌.

相关词汇
the nondescript bacteria were responsible for infectivity of filtrate

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。

nondescript

--
例句
Europa House is one of those hundreds of nondescript buildings along the Bath Road.
欧罗巴大楼是巴斯大道沿路那些成百上千幢毫无特色的建筑之一。

bacteria

n. 细菌(bacterium的名词复数)；
例句
Exactly which bacteria cause the infection is still unknown.
到底是什么细菌引起的感染还不清楚。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；
例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

responsible

adj. 尽责的，承担责任，负有责任的，懂道理的；
例句
It is accepted wisdom that science has been partly responsible for the decline of religion.
人们普遍认为，科学的兴起是宗教衰落的部分原因。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；
例句
I've come looking for a bit of advice.
我特来讨教。

infectivity

n. 传染性，易传染，感染性；
例句
The nondescript bacteria were responsible for the infectivity of the filtrate.
这种滤液的侵染性应归之于不能描述的细菌.

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。

filtrate

v. 过滤，筛选；n. 滤出液；
例句
Objective To observe the effect of filtrate of normal human fresh dejecta on intestinal flora alteration.
目的观察正常人新鲜粪便滤液治疗肠道菌群失调的疗效.
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
You are wretched , disunited individuals.
你们糟透了,分崩离析了.
A case in point of this is the steady increase in crime in N . Y . City.
这方面很好的例子就是纽约市的犯罪率在不断地上升.
It is a safe bet that the current owners will not sell.
十有八九现在的业主不会出售。
The workman was disciplined by his company but not dismissed...
那个工人受到了公司的处罚，但并没有被解雇。
Who else could have formed such a clean and incorruptible government?
谁人能够创造这样的廉洁政治 呢 ?
At the surface, radioactivity of the conglomerates is locally as high as 30 X background.
在地表, 砾岩的局部地段的放射性高达30倍本底值.
Doc, this is Johnny Smith, the man Jack's been.
医生, 我是强尼.史密斯, 杰克提到过的人.
He told how Edmund Kean was the best actor in the world.
他还对人们说埃德蒙·基恩如何堪称为世界上最优秀的演员.
...talks to promote free trade and avert increasing protectionism.
为促进自由贸易和遏制贸易保护主义抬头进行的谈判
My mother sewed a new cotton-padded jacket for me.
妈妈给我缝制一件新棉袄。