在地铁站

1. 人多的;拥挤的
If a place is crowded, it is full of people.

2. 拥挤的;住有很多人的
If a place is crowded, a lot of people live there.

3. 排满的;占满的
If your timetable, your life, or your mind is crowded, it is full of events, activities, or thoughts.

1. overfilled or compacted or concentrated

e.g. a crowded theater
a crowded program
crowded trains
a young mother's crowded days