latchkey child

英 美
  • n.挂钥匙儿童
Noun:
  1. a school-age child who is home without adult supervision for part of the day (especially after school until a parent returns home from work)

    用作名词 (n.)
    1. The effects of being a latchkey child differ with age.
      产生钥匙儿童的心理影响会因年龄而不同。