i guess you are in nursing program right? A6 b2 \7 a l/ S( Q, Udo not use translator. some of them do not make sense.: f0 u, n$ r% W& l2 n2 y5 c
try to use english "answer" website. it might help % O) n8 E2 r1 j8 I* M7 m) }( p4 ]$ Zi have one but i never use it. well, leave me messages on "duan xiao xi'