单词	第一中隔孔
释义	第一中隔孔医ostium primum
随便看	at the crossroads At the crossroads once again at the crucial hour at the crucial moment At the curb At the curb,the cab waited with open door At the curb, the cab waited with open door At the customs counter at the cutset at the dawn of at the deep end at the desire of at the desire of sb at the desk At the dinner-table At the dinner-table,my job is to carve the meat at the dip at the direction of at the discretion of at the discretion of sb At the discretion of sb at the discretion of… at the disposal of at the distance at the dock