postfrons

例句：

1. 1. The car's postfrons are made of carbon fiber.
   这辆车的后部是由碳纤维制成的。
2. 2.The team decided to move the postfrons forward for better visibility.
   团队决定将后部向前移动，以便有更好的视野。
3. 3. The new design has a sleeker and more streamlined postfrons.
   新设计具有更光滑、更流线型的后部。