Imagine trying to live in a world dominated by dihydrogen oxide, a compound that has no taste or smell and is so variable in its properties that it is generally benign but at other times swiftly lethal.

请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。那是一种无色无味的化合物，性质极为多变，一般情况下比较温和，但有时候一下子可以致命。