tetragon ['tetrəgɒn]

例句:

• And the shapes vary to hexagon, tetragon acicular and odd different colors are available.
  形状有六角形, 四角形,长条针形和不规则形状,并有多种颜色可供选择.
  
• Give me an old - fashioned tetragon on a central pivot time.
  每次都给我看一个建在中轴上的四角大楼吧.
  
• It is a tetragon, several stories high, with expanses of sheet glass, and it is right beside the river.
  来自NEWYORKER