In the desert a cow was the source of life.

在沙漠里头，一头牛曾经是生命之源。

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The mother to give us life, is our source of life.

母亲给与我们生命，是我们的生命之源。

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However, it is the source of life, it will into our lives every day.

然而，它是生命的源泉，它将注入我们生命中的每一天。

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Our cultural and natural heritage is an irreplaceable source of life and inspiration.

UNESCO: UK National Commission for UNESCO :: World Heritage Sites

Just west of the historical centre, Chapultepec Park features the intriguing mosaic of Agua, el Origen de la Vida (Water, Source of Life).

BBC: Three days with Frida Kahlo and Diego Rivera in Mexico City

Securing the role of the ocean as a source of life, of food and of biodiversity, requires effective action at many levels.

UNESCO: EDUCATION