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The substituent is deuterium.是什么意思？

The substituent is deuterium.

取代基是重氢.

相关词汇
the is deuterium

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。

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。

deuterium

n. 氘，重氢；
例句
More reactive are the heavier isotopes of hydrogen, deuterium and tritium.
更为活跃的是氢的较重同位素, 氘和氚.
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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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Am I wrong in thinking that?...
我这么想错了吗？
To our amusement, the boy acted an old woman.
使我们感到好笑的是那男孩扮演了一个老太太。
Took his successful schoolmatas as examples, he did many communions with us.
师兄还以自己很多成功的同学为例子, 和大家作了交流.
Movie pictures are projected onto the screen.
电影被放映在银幕上.
He's the kindest and sincerest person I've ever met...
他是我所见过的最友善、最真诚的人。
The angioneurotic oedema resolved in all 3 patients within hours of discontinuing treatment with the agent.
3例患者在停止治疗后几小时内,血管神经性水肿均恢复.
The university may revoke my diploma.
大学可能吊销我的毕业证书.
He opened a drawer in his writing-table.
他打开了写字台的一个抽屉。
The lights are extinguished as soon as the news conference is over.
新闻发布会一结束，灯光就熄灭了。
Serve it with French bread...
把它和法式面包一起端上去。