a square

• This will also make it easier to achieve a square halt
  这样做也会让立定站正变得简单。
• A square has four equal sides and four 90 degree angles
  正方形有4个等边和4个90度的角
• She filled her guests with a square meal
  她以丰盛的一餐来满足她的客人。
• A square concrete plinth as shown in the
  每个位置将会设有一个方形基座如
• But they really mean a square - - it ' s really space
  但是它们是说一个正方形- -真的是空间
• To find out who owns a square of land , use
  找出谁拥有某个格子的土地、用
• But they really mean a square - - it ' s really space
  但是它们是说一个正方形- -真的是空间
• Draw a square with the line " xy " as its base
  以xy线为底画一个正方形。
• The four stars just give the shape of a square
  这四颗星排列成一个四方形，高高挂在天上。
• Is a square stronger than a triangle
  方形和三角形哪种形状更牢固一些？