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煤储量很难探明.用英语怎么说？

煤储量很难探明.

It's difficult to ascertain the coal deposits.

相关词汇
difficult to ascertain the coal deposits

difficult

adj. 困难的，难做的，难解的，不易相处的；
例句
It is a difficult job and they should be paid accordingly...
这是份棘手的工作，他们应得到相应的报酬。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；
例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

ascertain

vt. 弄清，确定，查明；
例句
Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading...
这样一来，老师就能确定孩子们对他所读的内容理解多少了。

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。

coal

n. 煤，煤块，煤堆，木炭；vi. 上煤，加煤；vt. 给…加煤，把…烧成炭；
例句
The power stations burn coal from the Ruhr region...
发电站烧的煤产自鲁尔地区。

deposits

n. 存放( deposit的名词复数 )，订金，寄存处，储蓄；v. 存放( deposit的第三人称单数 )，（尤指小心地或准确地）放置，付（保证金），（把硬币）放入（自动售货机）；
例句
...underground deposits of gold and diamonds.
地下金矿和金刚石矿
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
The nuclei of endosperm are amitosis and its division is not synchronous.
胚乳核为无丝分裂,分裂不同步.
She can't free herself of the idea that someone's watching her all the time.
她无法摆脱有人一直在盯着她的念头。
Repeat the exercises described in the preceding section.
把前一节要求的练习重做一遍。
This phrase may well have been a rendering of a popular Arabic expression.
这个短语可能翻译自一个阿拉伯语常用表达。
The extent of the defect and any associated kyphoscoliosis are best assessed in the longitudinal scan.
在纵向扫查时,可以很好的评价缺损的程度和相应的脊柱后侧突.
Objective conidia of Pyricularia Oryzae to the screening of antimitotic constituents from marine animal sea hare.
目的:利用稻瘟霉生物活性成分跟踪筛选模型,筛选海兔中抗有丝分裂活性成分.
He that runs fastest gets the ring.
捷足先登。
White supremacists devise new methods to disenfranchise Negroes.
白人至上论者想出新的方法以剥夺黑人的公民权。
Objective To a determination method of luteolin in Eclipta prostrata L.
目的建立墨旱莲中木樨草素的含量测定方法.
...the grooviest club in London.
伦敦最时髦的俱乐部