cull造句
It is usually good practice to
cull the poorest prior to field planting.
通常在实践上的好方法是在出圃栽植前挑出最弱的苗木.
To save remaining herds and habitat, the national parks department is planning to
cull 2000 elephants.
为挽救现存兽群和它们的栖息地，国家公园部计划选择性捕杀2,000头大象。
Said Dr.
Cull to the high school students touring the laboratory.
卡尔博士对前来参观实验室的高中生们说.
the annual seal
cull每年对海豹的选择性宰杀