procession
/prəˈseʃn; prə`sɛʃən/ n
1 [C]
(a) number of people, vehicles, etc moving along in an orderly way, esp as part of a ceremony or demonstration （人、 车等的）行列; （尤指仪式或游行之）队伍
a `funeral procession送葬行列
The procession moved slowly down the hill. 游行队伍缓慢地走下坡路.
(b) (fig 比喻) large number of people who come one after the other 川流不息的人群
A procession of visitors came to the house. 参观者川流不息地向这所房子走来.
2 [U] action of moving forward in this way 列队行进
The congregation entered the church in procession. 教徒们排著队进入教堂.