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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；

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；

useful

adj. 有用的，有益的，有帮助的，令人满意的；

mineral

n. 矿物，矿石，矿物质，汽水；adj. 矿物的，似矿物的；

is

vt.& vi. 是（be的三单形式；n. 存在；

celestine

天青石；
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
But there were also cautionary signals in the Hynson opinion.
可是在"海森"案的意见里,还有一些告诫性的信号.
He looked back over his shoulder, and beckoned them cc enter.
他回过头招呼他俩进去.
CDMA is the main feature of modern mobile communications.
以CDMA为 多址复用方式是现代移动通讯的主要特征.
Venice is celeb rated for its beautiful buildings.
威尼斯以漂亮的建筑物闻名.
The two sides agreed to honour a new ceasefire.
双方同意执行新的停火协议。
This interface is designed based on the CCITT - series recommendations.
这个ISDN接口 是基于CCITT的系列建议而设计的.
Methods CDI was performed in 180 patients receiving orthotopic liver transplantation.
方法　术后连续CDI检查监测180次原位肝移植.
Methods: The cecal ligation and perforation ( CLP ) was utilized to make the abdominal infection in rats.
方法采用大鼠盲肠结扎并穿孔 ( CLP ) 造成腹腔感染.
A cloud of dust on the horizon announced the arrival of the cavalryman.
天边扬起的尘土说明骑兵来了.
What command will disable CDP on a router interface?
那个指令可以在路由器接口上关闭CDP协议?
Through this incision, the abdominal cavity is distended with carbon dioxide gas.
二氧化碳气体通过这个切口进入，造成腹腔肿胀。
And equal light leaps in the flame from ceder --- plank or weed.
可以来自燃着的杂草或 雪松 板.
Then it was back to the house for a quiet celebration.
然后就回到房子里悄悄地庆祝一番。
These accounts be credited with foreign exchange earnings not converted into cedi balances.
这些账户可以赚取外汇现钞收入而不用转换成加纳本币余额.