5 sentences

1. 看到美味的食物时，人的口腔会分泌唾液。

   kàn​dào měi​wèi de shí​wù shí, rén de kǒu​qiāng huì fēn​mì tuò​yè.

   The mouth secretes saliva when one sees delicious food.

   Source: Dong Chinese Dictionary

2. 胰腺分泌胰岛素来调节人体的血糖水平。

   yí​xiàn fēn​mì yí​dǎo​sù lái tiáo​jié rén​tǐ de xuè​táng shuǐ​píng.

   The pancreas secretes insulin to regulate the body's blood sugar levels.

   Source: Dong Chinese Dictionary

3. 松树分泌出的松脂粘在衣服上，非常难以清洗。

   sōng​shù fēn​mì chū de sōng zhī zhān zài yī​fu shàng, fēi​cháng nán​yǐ qīng​xǐ.

   The resin secreted by pine trees is very difficult to wash off if it gets on your clothes.

   Source: Dong Chinese Dictionary

4. 如果胰腺分泌的消化液不足，就会影响身体吸收。

   rú​guǒ yí xiàn fēn​mì de xiāo​huà yè bù​zú, jiù huì yǐng​xiǎng shēn​tǐ xī​shōu.

   If the pancreas doesn't secrete enough digestive juices, it will affect the body's absorption.

   Source: Dong Chinese Dictionary

5. 有些松树的表面会分泌出一种粘稠透明的树脂。

   yǒu xiē sōng​shù de biǎo​miàn huì fēn​mì chū yī zhǒng nián​chóu tòu​míng de shù​zhī.

   The surface of some pine trees secretes a viscous, transparent resin.

   Source: Dong Chinese Dictionary