的意思 serrulation

1. The serrulation along the edge of the leaf helps to deter herbivores from eating it.
叶片边缘的锯齿状结构有助于防止食草动物吃掉它。

2. The serrulation on the blade of the knife makes it easier to cut through tough materials.
刀刃上的锯齿状结构使得切割坚硬材料更容易。

3. The serrulation on the gears allows for a smoother rotation and better grip.
齿轮上的锯齿状结构使得旋转更加顺畅，提供更好的抓地力。

4. The serrulation on the edge of the coin adds texture and grip for easy handling.
硬币边缘的锯齿状结构增加了纹理和握持力，更容易拿取。

5. The serrulation along the edge of the ruler helps to prevent slipping while measuring.
尺子边缘的锯齿状结构有助于在测量时防止滑动。

6. The serrulation on the handle of the tool provides a secure grip for precise control.
工具把手上的锯齿状结构提供了牢固的握持，以便精确控制。