The humanity establishes the natural right and undertakes the natural duty, all must follow the natural ecology rule.

人类设定自然权利和承担自然义务，都必须遵循自然生态规律。

youdao

In the specific social-cultural background of the Song Dynasty, childbearing witchcraft might as well be a way to solve the conflict between womans natural duty and their bearing perplex.

在宋代特定的社会文化背景下，生育巫术不失为解决女性天职与生育困扰之间冲突的一种方法。

youdao

Do we have an ethical duty to respect and preserve the natural environments of neighboring planets and their moons?

我们有一个道德义务，尊重并维护邻近行星及其卫星的自然环境吗？

youdao

He worried about its future. Roosevelt wrote: "I recognize the right and duty of this generation to develop and use the natural riches of our land.

VOA: special.2010.08.12

This third wave will also see a significant number of new heavy-duty natural gas vehicles, including bus and truck fleets.

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Greater reliance on natural gas-fueled light duty vehicles is possible but will require more time due to greater infrastructure requirements and technological innovation.

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Other creative opportunities being explored include natural gas pumps (hooked up to the home) to fuel natural gas vehicles, and light duty vehicles relying on fuel cells (which manufacturers hope to begin building by 2015).

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