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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。
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
Hunger is the body's signal that levels of blood sugar are too low...
饥饿感是身体发出的信号，表示血糖水平太低。
The acknowledgments are usually printed at the front of a book.
致谢一般印在书的前面.
Miners paint a picture of an already resurgent Chinese economy that would allow for small reduction.
矿业公司认为,由于中国经济已经开始复苏,降价幅度可以小一些.
...a social order which depends on internalized feelings of what is right and wrong.
依赖内化的是非观来维持的社会秩序
Instead, bug your brood to give those grubby forearms a good scrubbing.
相反为了除去细菌, 好好擦洗你那脏兮兮的前臂吧!
The survivor leaderless, lawless, foodless begin to return to order.
这些无领袖, 无法律, 无食品的幸存者们开始恢复秩序.
...an old, twisted tree, its bark shaggy, many of its limbs brittle and bare.
一棵虬枝盘绕的古树，树皮粗糙，很多枝杈光秃秃的，一折就断
Can lienal deficiency of yang cause those symptoms? Can you use those medication ing?
脾阳虚可导致那些症状? 可用那些药物治疗?
These kinds of fruits are all homothallic ones.
这几种水果,都是单果作物.
The drafting committee worked through the night in a vain attempt to finish on schedule...
起草委员会为按计划完成草案已通宵加班，但结果仍是徒劳。