1 sentence

1. 很多人发现自己的牙龈对温度非常敏感，特别是上了年纪后。

   hěn​duō rén fā​xiàn zì​jǐ de yá​yín duì wēn​dù fēi​cháng mǐn​gǎn, tè​bié​shì shàng le nián​ji hòu.

   Many people find that their gums are very sensitive to temperature, especially as they get older.

   Source: CCMatrix