i guess you are in nursing program right? 4 k$ a1 N- \* y% ]do not use translator. some of them do not make sense.9 M# d/ \2 t) J
try to use english "answer" website. it might help* K3 g3 s% x7 n/ z( J/ ?) L3 @ M" C
i have one but i never use it. well, leave me messages on "duan xiao xi'