cull

• 名词，指从群体中挑选、剔除或淘汰（部分个体或物品）的行为，常用于动物种群数量的削减，或从一组中选出较优者。

A noun referring to the act of selecting or removing something, often used in the context of reducing a population of animals or selecting the best items from a group.

1. Selective removalB2formal

   The act of removing or killing animals from a group to control population or improve quality.

   扑杀

   • The annual deer cull helps maintain a healthy forest ecosystem.
   • Farmers conducted a cull of sick livestock to prevent disease spread.
   • The government authorized a cull of invasive species in the region.

   同义词eliminationthinning

2. Selection processC1formal

   The process of selecting and removing inferior or unwanted items from a larger group.

   筛选

   • The editor performed a cull of outdated articles from the database.
   • A cull of underperforming employees was announced by management.
   • The museum's cull of duplicate artifacts freed up storage space.

   同义词eliminationpruningremovalscreeningselectionsortingthinningwinnowing

• 动词，指从较大群体中挑选或收集某物，常带移除或减少的意图；也指剔除不合格或不需要的个体。

A verb used to indicate the act of selecting or gathering something from a larger group, often with the intention of removing or reducing.

1. Select or gatherB2formal

   To choose or collect something from a larger group, often with care.

   挑选

   • The editor culled the best articles for the anthology.
   • She culled the most relevant data from the report.
   • They culled the finest examples from the collection.

   同义词choosecollectgathergleanpickselectsiftsort

   反义词discardreject

2. Reduce populationB2formal

   To selectively kill animals in a population to control its size or health.

   淘汰

   • The park rangers culled the deer population to prevent overgrazing.
   • Farmers cull weak animals from the herd to improve breeding.
   • The government authorized a cull of invasive species.

   同义词destroyeliminatereduceremoveslaughterthin out

   反义词breedconserveincreasepreservepropagateprotect

短语动词变体cull out