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The polynucleotide chain is helical.是什么意思？

The polynucleotide chain is helical.

多核苷酸键是螺旋形的.

相关词汇
the chain is helical

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。

chain

n. 链子，链条，连锁，连续，拘束，连锁店或旅馆系列的事物；vt. 用铁链锁住，监禁，束缚；
例句
She wore a fine chain about her alabaster neck.
她细腻光滑、美丽白皙的脖子上戴着一条精致的链子。

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。

helical

adj. 螺旋状的，螺线；
例句
In a globular protein, certain portions of the chain are coiled into helical segments.
在球状蛋白中, 链的某些部分被盘成螺旋状.
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
"Tell them to hold all my calls, Theresa," she instructed her dresser.
“特雷莎，告诉他们我所有的电话都别挂。”她吩咐她的服装师。
The lyrics of the song are embarrassingly banal.
那首歌的歌词非常老套，令人难堪。
The author wove three plots together into one story.
作者把三个情节合在一起编成了个故事.
The doctor can't guarantee a cure.
医生不能保证治愈。
...a thick hunk of bread.
厚厚一大块面包
She hailed a taxi for him.
她给他叫了一辆出租车。
Did anyone survive the explosion?
那次爆炸事故中有人幸免吗?
Conclusion The absorbable coral hydroxyapatite is a good bone tissue engineering scaffold.
结论可吸收性珊瑚羟基磷灰石具有促进骨髓基质细胞表达成骨细胞表型、合成细胞外基质的功能,是良好的细胞载体.
...a brisk walk with the dog around the park...
牵着狗在公园里轻快地散步
They hoaxed me into believing it.
他们哄骗得我相信它.