MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

消化道	xiāo huà dào	digestive tract
同化	tóng huà	assimilation (cultural, digestive, phonemic etc)
消化系统	xiāo huà xì tǒng	digestive system / gastrointestinal tract
消化管	xiāo huà guǎn	digestive tube / gut
消化液	xiāo huà yè	digestive fluid
明天见	míng tiān jiàn	see you tomorrow / (coll., jocular) food that passes through the digestive system more or less intact (esp. enoki mushrooms)
蟹黄	xiè huáng	the ovary and digestive glands of a female crab (eaten as a delicacy)
肠胃	cháng wèi	stomach and intestine; digestive system
脾胃	pí wèi	spleen and stomach (digestive organs in TCM) / preferences / one's taste (e.g. in literature)
肠胃道	cháng wèi dào	digestive tract
苦水	kǔ shuǐ	bitter water (e.g. mineral water containing sulfates) / suffering / digestive fluids rising from stomach to the mouth / fig. bitter complaint
吐苦水	tǔ kǔ shuǐ	to have bitter digestive fluids rising to the mouth / fig. to complain bitterly / to pour out one's sufferings
消化酶	xiāo huà méi	digestive enzyme
马氏管	Mǎ shì guǎn	Malpighian tubule system (in the insect digestive tract etc)
虾线	xiā xiàn	digestive tract of a shrimp / sand vein
消化腺	xiāo huà xiàn	digestive glands