n. the act of robbing a helpless person
a. 旋转的, 波动的, 起伏的
n. 旋转, 轰响, 动摇
1. The children are rolling down the hill in the grass.
孩子们在草地上滚下山坡。
2. She is rolling the dough for the cookies.
她正在擀饼干的面团。
3. The car is rolling slowly down the street.
汽车慢慢地沿着街道滚动。