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矿石组构虽然复杂,但其矿物组成比较简单,有用矿物主要为天青石.用英语怎么说？

矿石组构虽然复杂,但其矿物组成比较简单,有用矿物主要为天青石.

The main useful mineral is celestine.

相关词汇
the main useful mineral is celestine

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。

main

adj. 主要的，最重要的，全力的；n. 最主要的部分，重点，主要管道，体力，[航海]公海；
例句
The school occupies split-site accommodation on the main campus...
该学院分散在主校区不同地点。

useful

adj. 有用的，有益的，有帮助的，令人满意的；
例句
A tripod will be useful to align and steady the camera...
三脚架有助于调准和稳定相机。

mineral

n. 矿物，矿石，矿物质，汽水；adj. 矿物的，似矿物的；
例句
...an effervescent mineral water.
含汽矿泉水

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。

celestine

天青石；
例句
This paper shows the test results of certain celestine ore.
论述了某天青石矿浮选试验研究结果.
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。
相关例句
...zero inflation...
零通货膨胀率
...a national meeting of economic planners.
经济计划制订者的全国会议
...a detailed map of the heavens.
详细的星空图
...a business park.
商务区
Another thread running through this series is the role of doctors in the treatment of the mentally ill...
另一条贯穿这部连续剧的主线是医生在治疗精神病患者中起到的作用。
Mercury, in association with The Independent, is sponsoring Britain's first major Pop Art exhibition for over 20 years.
《信使报》正携手《独立报》一起为20多年来英国举办的首届大型通俗艺术展览提供赞助。
He speaks English better than I do...
他的英语说得比我好。
If poisonous defect pericardium, becloud deities is sent weigh disease to fizzle out urgently.
假如毒陷心包, 蒙蔽神明则发为急黄重症.
Football kit relaunches are simply a way of boosting sales.
成套足球用品的重新推出仅仅是一种促销的手段。
He removed the small stopper from the calabash sweet water gurgled into it.
上的小盖,让甜水汩汩地流进葫芦.