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Vaccination for smallpox is efficacious.是什么意思？

Vaccination for smallpox is efficacious.

种牛痘防天花是有效的.

相关词汇
vaccination for smallpox is efficacious

vaccination

n. <医>种痘，接种，牛痘疤；
例句
The discovery of the cowpox vaccination let the danger of vaccination more less, and cost lest.
牛痘术的发明使种痘的危险性更小, 花费也降到最低,故而很快在全世界推广开来.

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。

smallpox

n. 天花，痘疮，痘；
例句
It was a kind of cesspit constantly seething with smallpox and bubonic plague.
那里,几乎可以说曾经是天花和黑死病生生不息的污水坑.

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。

efficacious

adj. （药、措施等）有效的；
例句
Usually pays attention the personal hygiene the dietetic hygiene, also prevents the pneumococcus disease's efficacious device.
平时注意个人卫生,饮食卫生, 也是预防肺炎球菌疾病的有效方法.
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
I knew it was no good to say anything, so I stood by Mary.
我知道说什么也没有用, 所以就站在玛丽一边。
It was difficult to strike the right balance between justice and expediency.
在公正与私利之间很难两全.
...a two-day meeting organised by the United Nations...
由联合国组织的为期两天的会议
The damp rising from the ground caused the walls to stain badly.
地面上升起的湿气使墙壁的颜色变得很难看.
This is some of the most exposed coastline in the world.
这里的海岸线属于世界上最无遮蔽的一段了。
The cuticles of most vascular plants are covered with a thin layer of largely hydrophobic constituents.
大部分维管囊植物的角质层都被有薄薄一层很疏水的成分.
Traditional form or structure allows us to recognize corresponding bits of folklore in different guises.
了解民俗的传统形式或结构,可以使我门抛开事物的不同外表,从中去辨认出有关民俗的点点滴滴.
It was a town filled with white bungalows.
这个小镇里都是白色平房.
The unrest has cast a pall over what is usually a day of national rejoicing...
动荡的局势给往常举国欢庆的日子蒙上了阴影。
The days of big-time racing at Herne Hill had gone for good...
在赫恩山举行盛大赛马会的日子早已一去不复返了。