Firedamp
n. 甲烷, 沼气\\n[化] 沼气; 瓦斯; 密封防火墙(采矿)
✅ 同义词
📖 牛津释义
firedamp
(also damp), n [U]
gas in coal-mines, explosive when mixed in certain proportions with air; methane （煤矿中与一定比例的空气混合的）瓦斯; 沼气; 甲烷.
🗣️ 情景例句
Sorry, but he is out at the moment.
抱歉，他现在出去了？
There is much to be said on both sides.
公说公有理，婆说婆有理。
Your English is improving little by little.
你的英语正在渐渐提高。