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铯-137是一种放射性同位素, 主要由核分裂产生.用英语怎么说？

铯-137是一种放射性同位素, 主要由核分裂产生.

Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.

相关词汇
caesium is radioactive isotope formed mainly through nuclear fission

caesium

n. 铯；
例句
It is cool and filter the precipitated caesium dichloroiodide.
这是冷却,滤出沉淀的二氯碘化铯.

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。

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。

isotope

n. [化]同位素；
例句
...tritium, a radioactive isotope of hydrogen.
氢的放射性同位素氚

formed

adj. 成形的，成形加工的；v. 形成，构成，产生( form的过去式和过去分词 )，是，（使）成形，结成（友谊）；
例句
A frown formed between her arched brows.
她皱起两道弯眉。

mainly

adv. 大部分地，主要地，基本上；
例句
Thousands of people, mainly Zulus, assembled in a stadium in Thokoza...
数以千计的人，主要是祖鲁族人，聚集在托考查的一个体育场里。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；
例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

nuclear

adj. 原子核的，原子能的，[细胞]细胞核的；
例句
...members of the advisory committee on the safety of nuclear installations...
核设施安全顾问委员会的成员

fission

n. <物>（原子的）分裂，裂变，<生>分裂生殖；
例句
The fission of the cell could be inhibited with certain chemicals.
细胞的裂变可以通过某些化学药品加以抑制.
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
...a triple-decker peanut butter and jelly sandwich.
三层的花生酱和果酱夹心三明治
We talked about music, painting, literature and the like.
音乐 、 绘画 、 文学什么的,我们都谈到了.
I'm not really hungry—I'll just have some crackers.
我不太饿——吃几块薄脆饼干就行了。
I looked across the mountains, ridge upon ridge.
我放眼绵延起伏的群山。
My sense of justice was offended...
我的正义感被激了起来。
Michael Corleone stood in front of Jack Dempsey's restaurant on Broadway and waited for his pickup.
迈克尔-考利昂站在百老汇大街“杰克-代姆普瑟”饭店门前等人来接他.
There were no fresh car tracks or footprints in the snow...
雪地里没有留下新的车辙或脚印。
House Covered Area includes the Saleable Area and area of carport.
洋房有盖面积包括实用面积及车房面积.
He waxed lyrical about the skills and commitment of his employees.
他津津乐道于员工的技能和敬业精神。
Some have minimized the importance of ideological factors...
有些人淡化了意识形态因素的重要性。