A:I'm sorry to hear that.
B:Is that so?
C:Sounds like fun.
D:That's all right.
如图为鸟的气囊示意图,下面关于鸟的呼吸说法正确的是( )
把下列各数分别填入相应的大括号内:
−7,3.5,−3.1415,π,0, ,0.03, ,10, ,