| 释义 |
rhe·sus factorBrE /ˈriːsəs fæktə(r)/ NAmE /ˈriːsəs fæktər/ noun [sing. ] (medical医学) a substance present in the red blood cells of around 85% of humans . Its presence (rhesus positive ) or absence (rhesus negative ) can be dangerous for babies when they are born and for people having blood transfusions . * Rh 因子 |