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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

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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。

highly

adv. 高度地，极，非常，非常赞许地；
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。

radioactive

adj. 放射性的；
例句
Wine is radioactive but few people stop drinking it on that account.
酒是有放射性的，可是很少有人因此而戒酒。

element

n. [化]元素，要素，原理，[电]电阻丝；
例句
There is already an element of compulsion in existing government schemes for the unemployed.
政府现行的失业方案已经有点强制的意味了。

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

metalloid

n. 类金属；adj. 类似金属性的；
例句
Arsenic is a metalloid element.
砷是一种金属元素.
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 chrysalis is invaginated.
蚕蛹作茧自缚.
Here are two odd volumes of an encyclopedia.
这儿有两卷零散的百科全书。
Molecular evolution programs are heavy on bodies but skimpy on heritable information.
分子进化程序对物体而言很有分量,对遗传信息而言分量不足.
The sheep of mine have very thick wool.
我家绵羊的毛很厚。
Nigel has searched for work in a ten-mile radius around his home.
奈杰尔一直在他家周围10英里的范围内找工作。
This method of working is useless.
这样做没成功的希望。
Croatian army troops retreated from northern Bosnia and the area fell to the Serbs...
克罗地亚军队从波斯尼亚北部撤军后，该地区落入塞尔维亚人手里。
You can also hear concerts in the chateaux and cathedrals.
你也可以在皇宫或教堂里聆听音乐会.
He is repugnant to me.
我很讨厌他。
His money is in an offshore island bank.
他的钱都存进了海外的一家银行。