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concave mirror是什么意思？

concave mirror

凹面镜

相关词汇

concave

n. 凹面，成凹形；adj. 凹的；vt. 使成凹形；

例句
In adults its contour may be straight, slightly concave or slightly convex.
成人肺其形状可以是直的, 轻微凹下或轻度突出.

mirror

n. 镜子，反光镜，真实的写照，反映，借鉴，榜样；vt. 反映，反射；

例句
Glue the mirror in with a strong adhesive.
用强力胶将镜子固定到位。

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

The computer is useful in processing data.
电子计算机在处理资料方面很有用。

individual proprietorship
独资经营

I know things look bad, but all is not lost.
我知道情况看起来不妙，但是毕竟还有一线希望。

The police exposed a criminal plot to assassinate the president.
警方侦破了一个行刺总统的阴谋。

internecine strife among the nationalities of the empire
帝国中各民族间的纷争

He is kind and gentle to the weak.
他对弱者总是友好和善。

The courts administer the law.
法院执行法律。

The shares have more than halved in value since the summer high of 572p.
股价从夏天572 便士的高价已经下跌了一半以上。

Try how far you can throw.
试试看你能扔多远。

The child at the back craned forward to see what was happening.
后面的孩子探出头看看出了什么事。