词根词缀：hypo-, hyp-
【来源及含义】Greek: under, below, beneath; less than; too little; deficient, diminished; used as a prefix
【同源单词】acoustic hypoesthesia, acrohypothermia, acrohypothermy, adenohypophysis, adenohypophysitis, angiohypotonia
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-.