例句與造句

1. Scything in the morning, while the ground was still damp, was recommended, but it was important to " pole " the lawn first ( swishing a long whippy stick across the grass to remove wormcasts ) and to roll the ground to firm it and set the blades of grass in a uniform direction.
2. It's difficult to find roll the ground in a sentence. 用roll the ground造句挺難的