triangular form

例句：

1. 1. The triangular formof the building is very distinctive.
   这座建筑的三角形形状非常独特。
2. 2. Thetriangular form of theroof helps to distribute weight evenly.
   屋顶的三角形形状有助于均匀分布重量。
3. 3. The triangular form of thecar's bodywork is sleek andmodern.
   汽车车身的三角形造型既流线又现代。