常見例句This system is mainly a long tube, called the alimentary canal.這一系統(tǒng)主要是一根長管，稱作消化道。Osteoporosis is a late complication of digestive tract disease.骨質(zhì)疏松癥是消化道疾病的晚期并發(fā)癥之一。 返回 digestive tube