chī / fàn / shí / hé / xià / xiàn / huì / fēn / mì / tuò / yè / bāng / zhù / wǒ / men / xiāo / huà / shí / wù吃饭时颌下腺会分泌唾液,帮助我们消化食物。When we eat, the submandibular gland secretes saliva to help us digest food.