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こきゅうきけい
Meanings
Noun
1. respiratory system
Alt. forms
呼
こ
吸
きゅう
器
き
系
けい
こきゅうきけい
Composed of
こきゅうき
respiratory organs
けい
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series