Methanogens
(methanogen 的复数) n.[微]产烷生物
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
I am very content with my life at present.
我很满足目前的生活。
And because I was deaf, I could not learn to speak.
因为我耳聋，我不能学说话。