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natural

美国发音:['nætʃ(ə)rəl]
英国发音:['nætʃ(ə)rəl]

[adj]
英语解释:existing in nature and not produced or caused by people; not changed from a natural state by production or growing methods
常见翻译:自然界的;关于自然界的

[n]
英语解释:someone whose skills and abilities suit a particular job or activity
常见翻译:满意



Sentences:

Forest ecologists have been more concerned than agronomists with the inner mechanisms of natural and artificial ecosystems.
森林生态学家比农学家更关心天然生态系统和人工生态系统的内部机制。
.the reformer's apocalyptic warnings that the nation was running out of natural resources.
改革者发出的国家自然资源即将枯竭的末世警诫
Instead of resenting or answering the simple but natural appeal of Hist, he walked away.
对希斯特直率真诚的谴责,他既没有反驳,也不作任何回答,而是走开了。
They felt it might be a being partially benighted in the vale of ignorance, but it could not be one who would willingly devote his rich natural gifts to the purposes of wanton treachery.
他们觉得,这个人虽然可能有些蒙昧无知,但他决不是一个乐于把自己高贵的天赋用于背信弃义的人。
Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems.
生物圈内有毒物质的积累,造成了天然生态系统的结构与功能的严重变化。
The world's natural ecosystems act as a buffer.
地球上的自然生态系统起着一种缓冲的作用。
Two of history's worst natural catastrophes occurred in 1970.
1970年发生了历史上最严重两次自然灾害。
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
α粒子是从天然放射性蜕变得到的带正电的氦核。
The natural logarithm of this ratio is called the logarithmic decrement.
此比率自然对数称为对数的减量。
Instead, they have formed deposits of coal, natural gas and oil, often located far beneath the land surface or the sea-bed.
它们往往在地表或海底以下很深的地方形成了煤、天然气和石油的矿床。
Diligence combined with natural ability earned him commendations from superiors.
勤奋加上天赋,使他受到了上司们的好评。
It offers an alternative to the dwindling supplies of natural gas.
这一过程为正在减少中的天然气供应提供了另外的来源。
The economic system of any nation is the mechanism which brings together natural resources, the labor supply technology, and the necessary entrepreneurial and managerial talents.
任何国家的经济制度,都是一种把天然资源,劳动力、技术、必要的创业和管理才干结合起来的体制。
I am convinced that natural selection has been the main but not the exclusive means of modification.
我确信自然选择是主要的但不是唯一的手段。
They concluded that ozone attack on natural rubber was extensive and complex and could be related to the acetone extractables.
他得出结论,认为臭氧对合成橡胶的侵蚀是广泛的复杂的,可以和丙酮的可提取性联系起来。
The intensification of the immunological response represents the body's natural defence.
增强免疫反应代表身体的自然保卫。
All these statements are now known to be inconsistent with careful observation of natural phenomena.
现在已经知道所有这些条条都与细心观察到的自然现象不符。
Elasticity, solubility, inflammability are paradigm cases of dispositions in natural objects.
伸缩性、可溶性、易燃性是天然物体倾向性的范例。
It is not a natural thing for a boy to envy his father in this fashion without some inspiration.
一个孩子不受某种启发是不会这样忌妒他的父亲的,这可不是一件自然的事。
Conservation laws, being based on the most elementary and intuitive ideas, are the most profound statements of natural law.
守恒定律都是基于最基本的和直觉的概念,所以都是自然定律的最深刻的陈述。
Another result of the philosophy of natural law was a strong movement for legislation.
自然法哲学的另一个实际结果是,它掀起了强大的立法运动。
Reliance upon natural epidemics may be both time-consuming and misleading.
依靠天然的流行既浪费时间,又会引入歧途。
Kennedy had a natural curiosity about Khrushchev.
肯尼迪对赫鲁晓夫自然抱有一种好奇心。
We uncover the defects of natural laws, and see the quandary that man is in by their operation.
我们把自然律的缺陷揭穿了,把自然律的运用给人类的窘迫看明白了。
The Irish, by a natural reaction, rallied about the persecuted Catholic church.
爱尔兰人由于自然的反应,集结在被迫害的天主教教会的周围。
His natural reserve made him appear self-conscious.
他天生的内敛性格让他显得有些拘谨。
Many believe artificial soils do not simulate natural soils.
许多人相信人造土并不像天然土。