• 维持生命

maintainvt.维持；维修；保养；坚持；断言maintain a highway保养公路maintained contact保持接触maintaining runway道面养护maintain-ability维修性maintain the field守住阵地,继续作战maintaining period保管期maintaining viable维持正常maintain stability保持稳定maintained schools公立学校, 合助学校maintaining washer固定垫

1. The capturing of prey as a means of maintaining life.
   捕食为生以捕获猎物作为维持生命的方式
2. A substance believed to maintain life indefinitely.
   长生不老药被认为可以使生命无限的物质