The large amount of methane contained in the atmosphere surrounding Neptune stained it blue.

围绕海王星的气层内所含大量甲烷将它染成了蓝色。

youdao

Amount of methane emission was closely related to the air temperature.

甲烷排放量与气温呈正相关。

youdao

The higher the temperature, the greater the amount of methane emissions.

温度越高，沼气的释放量越高。

youdao

They are also engaged in ongoing research into the amount of methane hydrate under this area of the ocean floor.

BBC: Methane seeps from Arctic sea-bed

To date no technology has been able to accurately measure and quantify the amount of methane emitted from fracking sites and other natural gas fields over a large scale.

FORBES: The New Tech that Aims to Make Methane Leaks a Thing of the Past

As to what happened to the Palaeocene fauna, the evidence points not towards an errant asteroid but to a giant burp from the oceans, which released a huge amount of methane.

ECONOMIST: Rewriting the history of the mammals