eights八叠板,八层叠板eightnum.八n.八人划船队adj.八个的eight hui points八会穴eight millimeter弯管轧量计eight-man crew男子8人赛艇eight feng points八风穴eight hours a day八小时工作制eight-neighbors8-邻域Eight Second Rule8秒规则eight bromo ether八溴醚eight-bit adder八位加法器eight-in-line直排八汽缸

1. The infant was eight days old before its father knew of its birth.
   孩子出世八天以后，他父亲才知道。
2. When Isaac was eight days old Abraham circumcised him,as God had commanded.
   以撒生下八天，亚伯拉罕按上帝的嘱咐，为以撒行了割礼。