1.
The heaviest naturally occurring element is uranium, which has92 protons.
自然存在的最重元素是铀，有92个质子。
2.
The humanity that cares for nature itself contains the moral demands for kind treatments to natural objects.
关爱自然界之人性本身就蕴涵着人要善待自然存在物的道德要求。
3.
stone that occurs naturally in fields; often used as building material.
在田野里自然存在的石头，通常用作建筑材料。
4.
Is there necessity in nature?
自然界是否存在必然性?
5.
existing in or produced by nature.
存在于或由自然产生的。
6.
naturally occurring isotope
自然界存在的同位素
7.
There's natural sympathy, natural antipathy.
存在着自然而然的同情，自然而然的反感。
8.
existing outside of or not in accordance with nature.
存在于自然之外的或与自然不相符的。
9.
There a self-sufficient natural economy prevailed.
那里存在一种自给自足的自然经济。
10.
not existing in nature or subject to explanation according to natural laws; not physical or material.
不存在于自然或不能被自然法则解释的；非自然的非物质的。
11.
Never is aluminum found free in nature .
铝在自然界从不以游离态存在。
12.
Man is the sole living moral creature.
在自然界中，只有人是有道德的存在物。
13.
All arts consist in the imitation and study of nature.
一切艺术存在于对自然的模仿和研究。
14.
Does this mean, however, that self-control is lost?
然而，这是否意味着自我控制不复存在?
15.
existing in or in conformity with nature or the observable world.
存在于或与自然或客观世界一致的。
16.
natural resources in the form or arable land.
耕地形式存在的自然资源。
17.
natural resources in the form of minerals.
矿物形式存在的自然资源。
18.
as found in nature in the elemental form.
以元素形态存在于自然界中。