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凹面镜用英语怎么说？

凹面镜

concave mirror

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。

This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。

Nothing to be got without pains but poverty.
一份耕耘，一份收获。

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。

Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。

相关例句

He is very old, yet he is quite strong.
他虽然年纪很大了, 但还很强壮。

plant cytology
植物细胞学

I'll test my judgement.
我要考查一下自己的判断能力。

Looking around, I could see no sign of life.
四处环顾后, 我看不出有生命的迹象。

The army numbered four to five thousand at the start.
这支军队开始才有四五千人。

I deeply regret the death of your friend.
你的朋友去世了,我感到万分悲痛。

a prisoner held incommunicado
被单独禁闭的犯人

The cabinet meets tomorrow to discuss this problem.
内阁明天将举行会议讨论这个问题。

a laudatory review of the new play
对这出新戏给予表扬

You need an official signature to validate the order.
你要有正式的签字,这张汇票才能生效。