常見(jiàn)例句雙語(yǔ)例句These microscopic bacteria and protozoa break down cellulose and fiber into digestible nutrients.這些微小的細(xì)菌和原生動(dòng)物可分解纖維素.成可吸收的營(yíng)養(yǎng)。 返回 digestible cellulose