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An umbrella should be waterproof.是什么意思？

An umbrella should be waterproof.

雨伞应能防水。

相关词汇
an umbrella should be waterproof

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。

umbrella

n. 雨伞，〈比喻〉保护物，[军]空中掩护幕，总括；
例句
Her umbrella blew inside out.
她的伞被风吹得翻转了。

should

应该，将会，可能，本应；
例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

be

v. 是，有，存在，做，成为，发生；aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质；
例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

waterproof

adj. 不透水的，防水的，用防水材料处理过的；vt. 使防水，使不透水，给（布）上胶；n. 防水衣物，雨衣 usually plural，防水布，油布，防水物，防水材料；
例句
...a packet of waterproof Elastoplast.
一包防水易理妥
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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。
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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。
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transistor megaphone
晶体管扩音器
They bought a double bed.
他们买了一张双人床。
The ring suggests that he was on the scene of the crime.
这只戒指表明他在作案现场。
The line cuts the circle at two points.
一条直线与圆相交于两点。
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伤心的故事
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他小小年纪就看大人看的书。
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达尼在那里堆雪人。
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她对她的学生总是很和善。
They were taken to the warden's office.
他们被带到了监察员的办公室。
Alexander has kept up a correspondence with his friend for over a year now.
亚历山大跟他的一个朋友保持通信已有一年多了。