Bifidobacterium
双歧桿菌属
🗣️ 情景例句
I don't know.
我不知道。
After brushing my teeth,I put on my clothes.
在刷完牙后，我穿上衣服。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，