butts

1.food and cigarette butts had been trodden into the carpet.

食物和烟头已被踏进地毯里去了。

2.A sanitation worker picking up cigarette butts with an "in-dividually decorated bag" in his hand in Zhongguancun, March 9, 2009.

3月9日，关村过街天桥,保洁员的手提袋上贴满了从墙上撕下的小广告。

3.As the turtle swims across the oceanarium,the first porpoise swoops down from above and butts his shell with his belly.

在另一次游戏，当海龟游过水族馆时，第一只海豚从上方猛扑下去，并用腹部撞击龟壳。