“立方形”的英语？

这个箱子是立方形的.The box was cube - shaped.离子的这种堆砌形成了普通食盐的立方形结晶.The result of this stacking of ions is a cubical crystal of common table salt.烤箱是用做工粗糙的近似立方形的耐火砖做的.The oven was made of a roughly built cube of fire - bricks....