Methanobacterium
甲烷杆菌属
🗣️ 情景例句
What basic principles do you apply to your life?
你在生活中最基本原则是什么？
Close your book,please.
请把书合上。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。