lifefuladj.充满活力的；充满生气的lifen.一生；生命；生活；人生life table function生命表函数Life Care Education生命关怀教育life -long sports终身体育Life-Confucianism生活儒学life safety harness安全带Life span of flower花生命周期life-table method生命表方法life skill training生活技能训练life and death view生死观life extension test延寿试验