n.

1. 选择；选拔[U]
   Her selection of a dress took a long time.

   她挑选一件衣服花了很长时间。

2. 被挑选出的人（或物）；精选品；选手[C]
3. 选集，文选[C]
   selections from Faulkner

   福克纳选集

4. 【生】选择，淘汰

n.

1. the action or fact of selecting.
   ▸a number of selected things.
   ▸a range of things from which a choice may be made.
   ▸a horse or horses tipped as worth bets in a race or meeting.
2. Biology  the evolutionary process which determines which types of organism thrive; natural selection.