Inarticulata
无铰纲; 无铰腕足纲; 无关节纲
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
How long have they been married?
他们结婚多长时间了？
After he was arrested, the man admitted hiding in the box before the plane left London.
此人被逮捕后，承认他是在飞机离开伦敦前躲进箱里的。