单词	non-secretor
释义	non-secretor /ˌnɒnsɪˈkriːtə / noun A person whose saliva and other secretions do not contain blood-group antigens.Duodenal ulcer is twice as common in those who are blood group O non-secretors.... As a general rule, a higher intensity of oral disease is found among ABH non-secretors. In all blood groups the average number of cavities is lower for ABH secretors than for non-secretors.
随便看	overthrowable overthrowal overthrower overthrust overthwart overtilt overtime overtime ban over-timer overtime rate overtip overtire overtired overtly overtness overtoil over-tolerant overtone overtone chant overtone chanting overtone singing overtop overtopple overtorture overtortured

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