methane
methane — 名詞
1. a colourless, odourless gas that is highly flammable and forms the largest part
甲烷
一種無色無味的可燃氣體
a colourless, odourless gas that is highly flammable and forms the largest part of natural gas, which homes use for heating and cooking
The village uses methane from local farms to heat its school and hospital.
該村莊利用當地農場產生的甲烷為學校和醫院供暖。
collocation: methane from [source]
Hao installed a methane detector in the basement after noticing a gas smell.
Hao 注意到瓦斯味後，在地下室安裝了甲烷探測器。
collocation: methane detector
Cows release large amounts of methane into the atmosphere every year.
牛隻每年向大氣中釋放出大量的甲烷。
When dead plants rot under water, methane bubbles up from the swamp.
枯死的植物在水中腐爛時，甲烷會從沼澤中冒泡浮出。
- natural gas
a broader term for the mixture of gases (mostly methane) that comes from underground and is used for heating
- marsh gas
an old-fashioned name for methane produced in swamps by rotting plants
用法筆記
Methane is an uncountable noun — you cannot say 'a methane' or 'two methanes'. It is often discussed in connection with climate change, farming, and renewable energy.