Methanogenesis
[建] 甲烷生成
🗣️ 情景例句
The sketches for the cover of the new doll book?
是新玩具书的封面设计吗？
Is the coastal plain good for farming?
沿海的平原对耕作有好处吗？
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。