They are the building blocks of life.

他们是生活的组成部分。

youdao

Curiosity will go further, looking for carbon-based molecules, including methane, that are the building blocks of life.

好奇将会更加深入，寻找基于炭的分子，包括沼气，这些都是生命的构成部分。

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Critics also question whether it is right to meddle with the building blocks of life just to allow couples to satisfy their desire to have children.

批评者们质疑，为了满足人们为人父母的愿望，就打乱正常的生育过程是否妥当。

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The discovery is exciting because it suggests that the building blocks of life may be more common in the universe than scientists had thought.

VOA: special.2009.09.30

These contain molecules of DNA, the building blocks of life.

VOA: special.2010.02.02

It might also boast signs of organic carbon, thought to be one of the building blocks of life.

MSN: Curiosity aims to unlock Mars mysteries - Technology & science - Space - Space.com | NBC News

When the rover drilled a sample from it and heated it up in its onboard lab, it found traces of carbon, hydrogen, nitrogen, oxygen, phosphorous, and sulfur the building blocks of life.

NEWYORKER: The Martian Chroniclers

What makes this tale of amateur astral chemistry even more amazing is that cyanomethanimine is believed to be a precursor to RNA -- one of the building blocks of life on Earth.

ENGADGET: Alt-week 8.4.12: buckyballs, bosons and bodily fluids Alt