Peritrichida
[医] 围口纤毛虫目
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
What were you doing this time last year?
去年这时候你在干什么？
Two return tickets to London,please.
买两张到伦敦的往返票。