i guess you are in nursing program right?# T' K, b `/ a& H8 C! k
do not use translator. some of them do not make sense. 7 R- O- J' N2 Q+ p# b( E3 j7 M- \8 W+ Rtry to use english "answer" website. it might help ) R; j8 u' A' `* A+ Ci have one but i never use it. well, leave me messages on "duan xiao xi'