Methanogen
n. [微]产烷生物
🗣️ 情景例句
I would like to live somewhere near the university, or at least on a bus line.
我想住在大学附近，或者至少有公共汽车直达。
I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陈先生不在，你要不要跟其他人讲话？
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。