altruism

n. 利他主义，不自私

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