2 sentences

1. 比起果汁，他更喜欢喝苏打。

   bǐ​qǐ guǒ​zhī, tā gèng xǐ​huan hē sū​dá.

   He prefers soda to juice.

   Source: Dong Chinese Dictionary

2. 他在面团里加了一点苏打，让饼干更蓬松。

   tā zài miàn​tuán lǐ jiā le yī​diǎn sū​dá, ràng bǐng​gān gèng péng​sōng.

   He added a bit of baking soda to the dough to make the biscuits fluffier.

   Source: Dong Chinese Dictionary