altruistic

a.利他主义的，无私的

alter ego, alterable, alteration, altercation, alternate, alternate angles, alternately, alternating current, alternation, alternative, alternatively, alternator, although, although (US also altho), altimeter, altitude, alto, altogether, altruism, altruist, altruistically, alum, aluminium, aluminum, alumna, alumnus, alveolar, always, am, amalgam, amalgamate, amalgamation, amanuensis, amass, amateur, amateurish, amateurishly, amateurism, amatory, amaze,