When people cull animals, they kill them, especially the weaker members of a particular group of them, in order to reduce or limit their number.(为减少或限制数量而对动物)选择性宰杀,剔除(尤指病弱动物)
The plan to cull large numbers of baby seals has angered environmental groups.选择性捕杀大量小海豹的计划引起了环保组织的强烈愤慨。