axis of total symmetry

例句：

1. 1.The design of the new car is very total symmetry.
   这款新车的设计非常完美对称。
2. 2. The butterfly wings are a perfect example of total symmetry.
   蝴蝶翅膀的完美对称是一个例子。
3. 3. The symmetry of the flower petals is a natural wonder of nature.
   花瓣的对称性是自然界的一个自然奇迹。