i guess you are in nursing program right? # ~1 V# M' ~7 W S. ?do not use translator. some of them do not make sense. 6 m8 i% c9 K" F: V5 ~8 btry to use english "answer" website. it might help : f! \& |# W. d6 F5 Xi have one but i never use it. well, leave me messages on "duan xiao xi'