n.沟渠扫污机
He headed a crowd off from the wrong exit. 他上前阻止人群从错的出口出去。
A crowd gathered at the scene of the fire. 许多人聚集在火灾现场。
The crowd fell back to let the players through. 人群后退让运动员们通过。
A ragged shout went up from the small crowd. 这一小群人发出了刺耳的喊叫。
The crowd cheered as the teams entered the field. 球队入场时观众们为之欢呼。
He has mixed with crowd together but has not found. 他已同人群混杂在一起而找不到了。
