( ( air ( ( ( diffusion ( ( The transfer ) ( of air ) ) ) ( to ( a liquid ) ) ) ( through ( an ( oxygen-transfer device ) ) ) ) ) . )
(ROOT (S (VP (NN air) (VP (VB diffusion) (NP (NP (DT The) (NN transfer)) (PP (IN of) (NP (NN air)))) (PP (TO to) (NP (DT a) (NN liquid))) (PP (IN through) (NP (DT an) (JJ oxygen-transfer) (NN device))))) (. .)))
air diffusion The transfer of air to a liquid through an oxygen-transfer device.
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (VP (VBN transferred) (PP (IN into) (NP (DT the) (NN bloodstream))) (PP (IN by) (NP (JJ simple) (NN diffusion))))) (. .)))