grating and dot generator

例句：

1. 1.The car's grille is designed to protect the engine from dust and debris.
   汽车的格栅设计用来保护发动机免受灰尘和碎片的侵害。
2. 2. The chef uses a grating to dice the vegetables for the salad.
   厨师用一个格栅来切蔬菜做沙拉。
3. 3. The old house had a wooden grating over its windows.
   这所老房子的窗户上有一个木制的格栅。
4. 1. The dot generator prints out the pattern on the fabric.
   点生成器在布料上打印出图案。
5. 2. The dot generator was used in early computers to generate dots on the screen.
   点生成器在早期的计算机中用于在屏幕上生成点。
6. 3. The dot generator is used to print out precise measurements on fabrics.
   点生成器用于在织物上打印出精确的测量值。