Inarticulata
无铰纲; 无铰腕足纲; 无关节纲
🗣️ 情景例句
Not just to go around the neighborhood asking for furniture,
不仅在这社区募家具，
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。