i guess you are in nursing program right?- M4 k/ C9 J# f/ |% i- N
do not use translator. some of them do not make sense.: R x2 _4 S7 P2 X$ M/ k3 K
try to use english "answer" website. it might help% U* g E: f* Q" ~
i have one but i never use it. well, leave me messages on "duan xiao xi'