In the reserves of Zimbabwe and South Africa, annual culls are already routine.

在津巴布韦和南非的自然保护区‖，每年的选择性捕杀已成惯例‖。

柯林斯例句

Big business culls the brightest from among college graduates.

大企业从大学毕业生中选拔最优秀的人材.

辞典例句