broom made of kaoliang straw

例句：

1. 1. She swept the floor with abroom.
   她用扫帚扫了地板。
2. 2. The broom was used to cleanthe windows.
   扫帚被用来擦窗户。
3. 3.The broom made of kaoliang straw is very effective in cleaning.
   这种由高粱秸秆制成的扫帚在清洁方面非常有效。