bladed structure

例句：

1. 1. The blade of the saw is sharpened to a serrated structure for cutting wood.
   锯子的刀片被磨成带有锯齿状的结构以便切割木头。
2. 2.The teeth on the gear are designed to mesh together in a toothed structure for efficient rotation.
   齿轮上的牙齿设计成相互啮合的齿状结构，以实现高效旋转。
3. 3. The design of this machine has a toothed structure that allows for easy cleaning and maintenance.
   这台机器的设计具有齿状结构，便于清洁和维护。