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Francium is the densest of the Alkali Metals and also radioactive.是什么意思？

Francium is the densest of the Alkali Metals and also radioactive.

钫是碱金属中密度最大的,具有放射性.

相关词汇
francium is the densest of alkali metals and also radioactive

francium

n. （放射性元素）钫（符Fr）；
例句
The half - life of francium is 22 minutes.
钫的半衰期是22分钟.

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。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

densest

--
例句
Francium is the densest of the Alkali Metals and also radioactive.
钫是碱金属中密度最大的,具有放射性.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

alkali

n. 碱；
例句
Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.
水 、 丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.

metals

n. 金属( metal的名词复数 )，钢轨，五金；
例句
Zinc is used to protect other metals from corrosion.
锌被用来保护其他金属不受腐蚀。

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。

also

adv. 也，同样，并且；conj. 另外；
例句
The media have also abetted the feeling of unreality.
媒体也在一旁对这种非现实感推波助澜。

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。
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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Employment is a very sensitive issue.
就业是一个非常棘手的问题。
The plant proved salutary.
那植物证明是有益于人体健康的。
Taking my son Peter to a restaurant was a nightmare.
带我儿子彼得外出吃饭简直糟糕透了。
The pews, the pulpit and the altar are of a piece with the simple elegance of the church itself.
长木椅 、 布道坛和祭坛都与教堂朴素高雅的气氛一致.
By my reckoning we were seven or eight kilometres from Borj Mechaab.
据我估计我们离梅卡巴堡有七八公里远。
She never tires of talking about her chidren.
她总是不厌其烦地谈她的孩子.
I vaguely remember snarling at someone who stepped on my foot...
我隐约记得我曾向着那个踩了我一脚的人怒吼。
...£2.3m of uncommitted loans.
230万英镑用途未定的贷款
...a shock defeat.
令人震惊的落败
In the Mus d'Orsay in Paris is a sculpture in plaster by Rodin.
巴黎的奥赛博物馆里有一件罗丹的石膏雕塑作品。