評論
打印
But before this process had been in place for a while, there wasn't enough oxygen in the air for things to burn.
但是，在此轉化之前的一段時間，空氣中沒有足夠的氧氣可以燃燒東西。
In fact, of all the planets, moons, asteroids, and comets in our solar system,
而事實上，整個太陽系的所有的行星、月球、小行星、彗星，
the only place where you can actually start a fire is right here on earth.
你會發現唯一可以生活的地方只有地球。
And even here, it's only been possible relatively recently.
而就算是地球，也是不久以前才可行。
譯文為可可英語翻譯，未經授權請勿轉載!
