And as growing grapes absorb carbon dioxide, they take in trace amounts of the heavier carbon isotope-which eventually show up in the wine.

生长中的葡萄会吸收二氧化碳，也就会吸收微量质量更重的碳同位素，这种吸收最终会在酒中表现出来。

youdao

Dr. SCHAWINSKI: So, in the very early universe, most of the elements that were made in the Big Bang were hydrogen and helium, and very few trace elements of heavier elements, like oxygen and iron and so forth.

NPR: What Makes Our Solar System Special?