单词	come in upon
释义	come in upon 参加,参与
随便看	initial rhymes initial ring initial rise initial roll initial rolling initial routine initial row initial rubber initial rudder adjustment initial rudder adjustment device initial rule initial run initial run-in initial running-in initials initial sack initial samples initial satellite command and control initial satisfactory performance test initial saturation initial sawtooth shock pulse initial screening survey initial section initial seek interrupt initial segment 机不可失，时不再来机不容发机不旋踵机事不密机关用尽机关算尽机变如神机心械肠机杼一家机难轻失シザンシシシシシシシシシシシシシシシシシシ