这个形状只有三条边，它看起来像一个箭头，底部是宽的，其他的是窄的，它是三角形！

This shia shape has three sides and it looks like an arrow. One end is wide and the other is narrow. It's a triangle!

youdao

底部是宽的，其他的是窄的，它是三角形！

One end is wide and the other is narrow. It's a triangle!

youdao

底部是宽的，其他的是窄的，它是三角形！

One end is wide and the other is narrow. It's a triangle!

youdao