i guess you are in nursing program right?; H+ N* f/ C' c0 b# k, `
do not use translator. some of them do not make sense.0 S' D) n5 c* Z6 |, X
try to use english "answer" website. it might help& z% N$ r, L+ U( a& ^3 i0 K# f
i have one but i never use it. well, leave me messages on "duan xiao xi'