The phrase the building blocks of life refers to the most basic biological and chemical units needed to support living plants and animals.

生命的构成要素指的是支持活体动植物所需的最基本生物及化学单位。

Earth's primordial soup lacked the building blocks of life – a phrase describing the most basic biological and chemical units needed to support living things, elements like oxygen and carbon.

地球原始汤缺乏生命的构成要素——这个短语描述的是支持生物所需的最基本生物及化学单位，如氧和碳等元素。