haematology (also esp US hematology)

n [U] scientific study of the blood and its diseases 血液学.

habituate, habituation, habitue, hacienda, hack, hack-saw, hacker, hacking cough, hackles, hackney carriage, hackneyed, had, had best, had better, had better do sth., had rather..., haddock, Hades, hadji (also hajji), haem(o)- (also esp US hem(o)-), haemoglobin (also esp US hemoglobin), haemolytic, haemophilia (also esp US hemophilia), haemophiliac (also esp US hemophiliac), haemorrhage, haemorrhage (also esp US hemorrhage), haft, hag, haggard, haggis, haggle, hagiography, hagridden, hail, hailstone, hailstorm, hair, hair shirt, hair-do, hair-drier (also hair-dryer),