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硬度是由一些两价金属阳离子引起的.用英语怎么说？

硬度是由一些两价金属阳离子引起的.

Hardness is caused by divalent metallic cations.

相关词汇
hardness is caused by divalent metallic

hardness

n. 坚硬，<物>硬性，困难，冷酷；
例句
He had slipped from hardness into affability.
他从声色俱厉变得和颜悦色.

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

caused

人为的；
例句
The report has caused acute embarrassment to the government...
报告将政府置于窘境。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

divalent

adj. 二价的；
例句
Hardness is caused by divalent metallic cations.
硬度是由一些两价金属阳离子引起的.

metallic

adj. 金属的，金属性的，金属制的，含金属的；
例句
There was a metallic click and the gates swung open...
随着一声金属碰击的咔嗒声，大门打开了。
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 tilted her face to kiss me quickly on the chin.
她侧过脸飞快地在我下巴上亲了一下。
After we leave Lausanne , we directly tale the train to Geneva.
在离开洛桑之后我们直接上火车就来到了日内瓦.
The little girl screamed and it took us aback.
小女孩的尖叫声吓了我们一跳.
This is a mechanically propelled vehicle.
这是一台机械推动的车辆.
The property was parcelled out to his children.
财产被分成若干份,分给他的孩子.
I hold a shop door open for an old person...
我帮一位老人把住店门。
The only true happiness comes from squandering ourselves for a purpose!
唯一的真正幸福来自坚持不懈的朝着目标前进!
The reform has hardly made a scratch upon the cuticle of affairs.
改革几乎还没有触到事物的表皮。
The exhibition at Boston's Museum of Fine Arts is more a production than it is a museum display...
波士顿美术博物馆的展览与其说是一次博物馆展出，倒不如说是一场精心设计的展演活动。
Anthony felt the need to lighten the atmosphere...
安东尼觉得有必要缓和一下气氛。