i guess you are in nursing program right? 3 Z1 {& q* u4 ^do not use translator. some of them do not make sense.5 v2 G5 i3 d8 M2 a$ S; r3 X% ?
try to use english "answer" website. it might help ; A4 U( Q( x6 w2 a1 V0 Zi have one but i never use it. well, leave me messages on "duan xiao xi'