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/ˈbɪldɪŋˌblɒk/
构成要素;积木
The 🔊 basic 🔊 building 🔊 blocks 🔊 of 🔊 life 🔊 are 🔊 proteins 🔊 , fats 🔊 , and 🔊 carbohydrates 🔊 .
生命的基石是蛋白质、脂肪和碳水化合物。
The basic building blocks of life are proteins, fats, and carbohydrates.