asteroid

n any of many small planets revolving round the sun, esp between the orbits of Mars and Jupiter （尤指火星和木星轨道间运行的）小行星.

assorted, assortment, Asst (also asst), assuage, assume, assumed, assumption, assurance, assure, assure sb. of sth., assured, assured (also self-assured), assuredly, assuredness, AST, astatine, aster, asterisk, astern, astern of, asthma, asthmatic, astigmatic, astigmatism, astir, astonish, astonished, astonishing, astonishingly, astonishment, astound, astounding, astrakhan, astral, astray, astride, astringency, astringent, astro-, astrolabe,