( They ( ( ( trap and ) ( ( swallow ( ( matter and ) light ) ) ( ( ( lying or ) passing ) ( in ( their vicinity ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VP (VBZ trap)) (CC and) (VP (VB swallow) (NP (NN matter) (CC and) (NN light)) (S (VP (VBG lying) (CC or) (VBG passing) (PP (IN in) (NP (PRP$ their) (NN vicinity))))))) (. .)))
They trap and swallow matter  and light lying or passing in their vicinity.
(ROOT (S (NP (JJ Translucent) (NN matter)) (VP (VBZ transmits) (NP (ADJP (JJ light) (CC but) (JJ scatters)) (DT the) (NN light)) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ passes) (PRT (RP through)))))) (. .)))
Translucent matter transmits light but scatters the light as it passes through.