vt.部分捕杀，宰杀(为防止动物种群量过多而杀掉其中一定数量)
n.(为防止动物种群量过多而通常对最弱者的)选择性宰杀

原形：cull第三人称单数：culls复数：culls过去式：culled过去分词：culled现在分词：culling

The farmer decided to cull his herd of unhealthy cows to improve the overall health of his livestock.
农夫决定淘汰掉他那群不健康的牛，以提高家畜的整体健康。
After several failed attempts, he finally culled his list of potential investors down to a manageable size.
经过几次尝试失败后，他终于把潜在投资者的名单缩减到一个可以管理的规模。
The garden was overrun with weeds, so the gardener decided to cull the unwanted plants.
花园里杂草丛生，园丁决定除掉这些不需要的植物。
The zookeepers performed a routine culling of the bird population to maintain a healthy balance.
动物园管理员进行了常规的鸟类种群控制，以保持生态平衡。
She went through her closet and culled out all the clothes she hadn't worn in years.
她整理衣柜，淘汰了多年未穿过的所有衣服。
The author culled several anecdotes from their personal experiences for their memoir.
作者从自己的经历中挑选了一些趣事写进回忆录。
The company decided to cull its outdated software to streamline operations.
公司决定淘汰过时的软件以简化运营流程。
In an effort to conserve resources, they implemented a policy of selective culling in the deer population.
为了节约资源，他们实施了一项选择性淘汰鹿群的政策。
The IT department conducted a thorough cull of outdated hardware, freeing up space for new equipment.
IT部门对过时的硬件进行了彻底清理，为新设备腾出了空间。
Culling invasive species is essential to preserving the biodiversity of natural ecosystems.
消灭入侵物种对于保护自然生态系统的生物多样性至关重要。