i guess you are in nursing program right?2 A4 @$ m e5 e$ H$ `
do not use translator. some of them do not make sense.9 k' C$ A8 X9 j; y
try to use english "answer" website. it might help 6 R6 w" x6 ~3 S, ?5 h# x+ \i have one but i never use it. well, leave me messages on "duan xiao xi'