n.

1. 一（长）列，一（长）排[C][（+of）]
   Ideas passed in quick procession through her mind.

   她脑海里闪过一连串的念头。

2. （人或车辆等的）行列，队伍[C]
   Thousands of workers joined the funeral procession.

   数千名工人加入了送葬行列。

3. （行列的）行进[U]
   The demonstrators marched in procession to the minister's office.

   示威者列队向部长的办公室走去。

vi.

1. 列队行进

vt.

1. 沿着（街道）行进

n.

1. a number of people or vehicles moving forward in an orderly fashion, especially as part of a ceremony.
   ▸the action of moving in such a way.
   ▸a relentless succession of people or things.
2. Theology  the emanation of the Holy Spirit.