i guess you are in nursing program right?( C n2 a8 L; S% E8 ~! ^) i# V
do not use translator. some of them do not make sense. . o) A7 {3 K. ztry to use english "answer" website. it might help5 x y/ l# r6 f) Z) c
i have one but i never use it. well, leave me messages on "duan xiao xi'