age group

复数：age groups

n.a group people having approximately the same age

同义词：age bracketcohort

1. The survey included participants from various age groups to gather diverse opinions.
   调查包括了来自不同年龄组的参与者，以收集多样化的意见。
2. Children in the age group of 5 to 12 years are eligible for the summer camp.
   5到12岁的儿童符合参加夏令营的资格。
3. Health campaigns often target specific age groups to maximize their effectiveness.
   健康宣传活动通常针对特定年龄组，以最大限度地提高其有效性。