Methanobacterium
甲烷杆菌属
🗣️ 情景例句
What's the deadline for claim?
索赔的有效期多长？
My first name is Bill.
我的名字叫比尔。
It repeated these circles over and over again.
它首先向右飞一个圆圈，然后向左飞一个圆圈。