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Polonium is a highly radioactive element and a metalloid.是什么意思？

Polonium is a highly radioactive element and a metalloid.

钋是高放射性的元素,金属.

相关词汇
polonium is highly radioactive element and metalloid

polonium

--

is

vt.& vi. 是（be的三单形式；n. 存在；

highly

adv. 高度地，极，非常，非常赞许地；

radioactive

adj. 放射性的；

element

n. [化]元素，要素，原理，[电]电阻丝；

and

conj. 和，与，而且，于是，然后，因此；

metalloid

n. 类金属；adj. 类似金属性的；
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。
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Metalanguage : certain kinds of linguistic signs or terms for the analysis and description of particular studies.
元语言: 为分析和描述某种特别研究的语言学符号和术语.
A totally hypothetical high - speed , Metalclad carrier . The control car retracts into hull to lower wind resistance.
一架设想中的 高速 全金属硬式飞艇,为了降低阻力,控制仓能够缩进蒙皮中.
The metallographical structure of the pipes become widmanstatten and its mechanical properties are dropped notably.
管材的金相组织转变为魏氏组织,使其机械性能显著降低.
The endpoint was defined as small formation or visible dispersion of debris from the trabecular meshwork.
照射终点通过出现小气泡或者可见小梁网碎片分散来确定.
This metabolite appeared identical to one obtained from mosquito larvage exposed to isobenzan.
这种代谢物似乎同从暴露到碳氯灵的蚊幼虫所得到的一种物质一样.
Meso chemical damage constitutive equations of uniaxial and triaxial compression under chemical corrosion are set up.
同时建立了化学腐蚀下单轴压缩、三轴压缩细观化学损伤演化本构方程.
Note the relationship of the capillary loops to the mesangium.
注意血管袢和系膜的关系.
The following illustration shows the metafile drawn at the specified location.
下面的插图显示在指定位置绘制的图元文件.
This paper paid the emphasis on the preparation method of the mesopore ACF and absorption property.
本文著重阐述中孔活性碳纤维的制造方法及其吸附特性.
He wrote a meritorious theme about his visit to the cotton mill.
他写了一篇关于参观棉纺织厂的有价值的论文.
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出现了许多有创意的合成方法,并得到了一些介观与宏观有序的形态复杂的合成材料.
Electroless plating method is applied to metallize the AlN sbstrate.
应用化学镀镍的方法实现了氮化铝的金属化.
He is now at the meridian of his intellectual power.
他现在正值智力全盛期.
EXAMPLE : Metage was two per cent of price per kilo.
称重价格为一公斤两美分.