The excessive secretion of gastric juices in the gut causes ulcers.胃中胃液分泌过多会导致胃溃疡。Hormone secretion is controlled by the pituitary gland.荷尔蒙的分泌是由垂体控制的。An inhibitor of gastric secretion provided relief from the patient's chronic diarrhoea.胃分泌抑制剂为患有慢性腹泻的病人解脱了痛苦。Bile is the secretion of the liver.胆汁是肝的分泌物。