chopping shutter

例句：

1. 1. The farmer uses a chopping shutterto cut the grass in his field.
   这位农民使用割草机在他的田地里割草。
2. 2. The old man has a choppingshutter on his garage door.
   那位老人在车库门上安装了割草机。
3. 3. The kidslove to play with their chopping shutters after school.
   孩子们放学后喜欢用他们的割草机玩耍。