n.

1. 到场；出席[C][U][（+at）]
   My attendance at school is excellent.

   我在学校的出席情况极好。

2. 出席人数[S][（+at）]
   There was a large attendance at the party.

   参加聚会的人很多。

3. 护理；侍候[U][（+on）]
   She is in attendance on the sick child.

   她在照料病孩。

n.

1. the action or state of attending.
2. the number of people present at a particular occasion.