1.Researchers looked at data on the health of 70,000 female nurses and 1,500 male military veterans.
veteran老兵
The veteran soldier has fought many memorable battles.
這個老兵參加過許多難忘的戰(zhàn)斗 。
2.Our findings speak to the possibility that raising levels of optimism may promote longevity and healthy ageing.
longevity長壽
Human longevity runs in families
人類的長壽具有家族遺傳性 。