及物动词

1. 选出;挑选;采集
If items or ideas are culled from a particular source or number of sources, they are taken and gathered together.

2. 部分捕杀，选择性宰杀(为减少动物种群数量而杀掉其中较弱者)
To cull animals means to kill the weaker animals in a group in order to reduce their numbers.

1. the person or thing that is rejected or set aside as inferior in quality

Synonym: reject