Out of or being beyond the normal course of nature; differing from the natural.
在正常自然发展之外的；非自然的，非天然的
Is the world′s largest nongovernmental natural gas marketer
是世界最大的非政府天然气销售商；
I am allergic to clothes not made of natural fibers.
非天然纤维做的衣服，我穿了会过敏。
I like the dishes very much, though they are very hot.
我非常喜欢今天的菜，虽然有点儿辣。
The Sahara Desert is a natural barrier between North and Central Africa.
撒哈拉沙漠是北非与中非之间的天然屏障.
That is very stupid indeed, and shows a great want of genius and emulation.
当然，这是非常愚蠢的，这表明她非常缺乏天才，非常缺乏上进心。
Professional Association of Natural Rubber in Africa
非洲天然橡胶同业公会
A kind of drum talk is still used in Central Africa today,
一种击鼓传声的方法在今天的中非仍然被使用，
Does MiE-Nature turf feel like real grass?
德国保湿中空草真的非常接近天然草么？
Yet large parts of North and South America had extremely dry weather.
然而，大部分的北美和南美洲天气非常干燥。
Penalty has its own limits which are determined by its defects, purposes, functions and costs.
刑罚并非万能,而是有其局限和天然的流弊。
(chemistry) not of natural origin; prepared or made artificially.
（化学）由非天然原料制成的；人工化合或制成。
Synthesis and Characterization of Unnatural Amino Acid (4S)-4-Amino-L-Proline;
非天然氨基酸（4S）-4-氨基-L-脯氨酸的合成与表征
Production of Syngas from Natural Gas in Non-catalytic Condition: Modeling and Optimization;
天然气非催化制合成气的模拟计算及工艺优化
Nonlinear Test of copper and NR Price Time Series in Shanghai Futures Exchange;
沪铜、天然橡胶期货价格时间序列的非线性检验
High Regioselective Synthesis of Non-natural Lamellarin O
片螺素O非天然类似物的高区域选择性合成
Shale gas:Enormous potential of unconventional natural gas resources
页岩气是潜力巨大的非常规天然气资源
Kung fu masters are made not born.
功夫大师是靠后天锻炼而非浑然天成。