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词根词缀:eu-

【来源及含义】Greek: good, well, normal; happy, pleasing; used as a prefix

【同源单词】aneuploid, aneuploidy, eubiotics, Eucalyptus, eucentric, eucharist

词根词缀:pneo-, -pnea, -pneic, -pnoea, -pnoeic, -pneo

【来源及含义】Greek: air, wind; breathing

【相关词根词缀】 Word units related to breath and breathe: hal-; pneumato-; pneumo-; psych-; spiro. Cross references of word groups that are related, directly or indirectly, to: "air, wind": aello-; aeolo-; aero-; anemo-; atmo-; austro-; flat-, flatu-; phys-; pneumato-; turb-; vent-; zephyro-.

【同源单词】apnea, apneic, apneusis, bradypnea, dyspneic, eupnea