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The gunsight has an infrared lens for night vision.是什么意思？

The gunsight has an infrared lens for night vision.

射击瞄准器装有用于夜间视力的红外线镜头.

相关词汇
the gunsight has an infrared lens for night vision

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。

gunsight

n. （枪炮的）瞄准具，瞄准器；
例句
The gunsight has an infrared lens for night vision.
射击瞄准器装有用于夜间视力的红外线镜头.

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；
例句
...the operation a patient has had.
病人做过的手术

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；
例句
He started eating an apple...
他开始吃苹果。

infrared

adj. <物>红外线的；n. 红外线；
例句
...searching with infrared scanners for weapons and artillery.
用红外扫描仪搜索武器与大炮

lens

n. 透镜，镜头，眼睛中的水晶体，隐形眼镜，汽车的灯玻璃；
例句
The camera has a 32mm lens with a maximum aperture of f/4.5 and a fixed shutter speed of 1/100sec.
这架相机有一个32毫米的镜头，最大孔径为f/4.5，固定快门速度为1/100秒。

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。

night

n. 夜，晚上，（举行盛事的）夜晚；
例句
Video cameras with night vision can be activated by movement.
带夜视镜的摄像机一有动静就会启动。

vision

n. 视力，视觉，想象，幻象，想象力；
例句
Video cameras with night vision can be activated by movement.
带夜视镜的摄像机一有动静就会启动。
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 sat looking at the distance, almost unconscious for the moment that Tito was near her.
她坐在那里,眼望远处, 似乎忘掉这时候蒂托正在身边.
There is no generally accepted definition of life...
关于生活的定义不一而足。
They unreservedly passed on to us their technical knowhow.
他们把技术毫无保留地传授给了我们.
But by the year 2020 business computing will have changed beyond recognition.
但是到了2020年，商业计算会变得面目全非。
Deer shed their antlers each year.
鹿每年都蜕角.
Please give me an ice - cream and two rices.
请给我一份冰淇淋和两份饭.
Can you comment on the diamonds mined in Sierra Leone?
请您谈谈塞拉利昂开采钻石的问题好 吗 ?
This report takes a different tack from the 20 that have come before.
这份报告和此前的 20 份报告采取的思路不同。
Soil survey should be adopted in such soil overburden areas.
在此类土壤覆盖区应采用土壤测量.
A heat exchanger, in a narrow sense, is a vessel.
从狭义来说, 换热器是一种容器.