ancestor

n.祖宗，祖先

analyst, analytic, analytical, analytically, analyze, analyzed, anapaest, anapaestic, anaphora, anaphoric, anarchic, anarchism, anarchist, anarchy, anathema, anathematize, -ise, anatomical, anatomically, anatomist, anatomy, ancestral, ancestry, anchor, anchor man, anchorage, anchorite, anchovy, ancient, ancient history, ancient monument, ancillary, and, and all that, and so, and so forth, and so on, and so on/forth, and that, and the like, and then,