使用再生纸加天然燃料染属于你的独一无二的彩纸，一起完成绿色工艺。

Get crafty and userecycled paper and natural plant dyes to make one of a kind, green works of art.

youdao

然而，燃烧天然燃料并非能源利用的最佳途径。因为在燃烧的过程中，许多能量被释放到空气中，造成了能量浪费。

However, burning natural fuels is not the best way to use them, as much of the energy is wasted: it disappears into the air.

youdao

意外\的后果是阻止了对灌木丛的天然清理，而它们现在成了超级大火的最主要的燃料。

The unintentional consequence has been to halt the natural eradication of underbrush, now the primary fuel for megafires.

youdao