Their needs are pure sustenance, and their love and loyalty are without restraint.

它们索取的只是维持生计的粮食，却献出了无限的爱和忠诚。

youdao

For no human could exist at this time without Earth, and all of the bounty provided for the sustenance of the life and form by I, Earth Mother.

在此时期，没有地球就没有人类能存在，所有生命与生命形式维生所需的食物都由我地球母亲提供。

youdao

We can not live without some sustenance from the biological point of view, we are heterotrophic aerobic type.

我们的生活离不开一些寄托，从生物学的角度看，我们就是异养需氧型。

youdao

As for eating, try to consume around three or four meals a day and two snacks--bananas and peanut butter work well--and never go more than four hours without sustenance, says Loehr.

FORBES: Magazine Article

Islam also acknowledges the importance of the female gender in providing the guarantee for humanity's sustenance and development, without which the edifice of society would crumble.

CNN: Nuclear Nightmares

As great forces of history converge to human scale, this modern-day boom town feels like the Wild West but without the confident self-reliance: the articulate residents are painfully aware of the close link between their sustenance and their misery, and international bureaucrats reveal a terrible disconnection from the reality on the ground as they encourage the unchecked development.

NEWYORKER: Darwin's Nightmare