Methanogen
n. [微]产烷生物
🗣️ 情景例句
My parents are expecting to see good grades this semester.
我父母希望我这个学期取得好成绩。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
Mrs.Richards sent her children to school and went upstairs to her bedroom.
把孩子送去上学，然后来到楼上自己的卧室。