Sphaerotilus
[医] 球衣细胞属
🗣️ 情景例句
The fountain is over there, Michelle.
饮水机在那， Michelle。
Are you doing anything special?
你们有什么特别的安排吗？
what would civilization be like without its benefits?
如果不受其惠，文明将会是个什么样子呢？