comets FREQ #17357 n. 彗星( comet的复数形式 ) 释义与例句 n. 1. plural of comet 相关短语 interstellar comets periodic comets periodical comets short-period comets short period comets dead comets vomit comets near-Earth comets parabolic comets great comets vomit comet periodic comet periodical comet interstellar comet dead comet