shape~circle、Triangle、square怎么上啊?

shape~circle、Triangle、square怎么上啊? square diamond shape circle 这几个单词哪个是不同类型的? A circle inside a triangle? 选出每组单词中与其他不同类的词 square diamond shape circle sad excited bori 声明一个Shape（形状）基类,它有两个派生类：Circle（圆）和Square（正方形）, square and circle, here we go是什么意思? 是小学课本上的,不知道怎么适当的翻译出来 my favourite shape is a circle 对a circle提问! it's ()填round,circle,triangle哪一个?为什么 triangle怎么读 my favourite shape is circle. 改成一般疑问句 Li Ming says Danny's favourite shape is circle triangle