i guess you are in nursing program right? V. D: _7 `7 {8 L* cdo not use translator. some of them do not make sense., v: V. S- D. l; P+ o' I/ H
try to use english "answer" website. it might help $ r( E4 W1 t! [i have one but i never use it. well, leave me messages on "duan xiao xi'