首頁›Browse›L›life spanlife span編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看life spanlife span — 名詞名詞1. the length of time that a person or animal is expected to live1.名詞釋義壽命the length of time that a person or animal is expected to live例句The average human life span has increased over the past century.