2 sentences

1. 炒菜时加入豆油可以让菜肴更香。

   chǎo cài shí jiā​rù dòu​yóu kě​yǐ ràng cài​yáo gèng xiāng.

   Adding soybean oil while stir-frying can make the dishes more fragrant.

   Source: Dong Chinese Dictionary

2. 妈，做红烧肉的豆油不够了，我下楼去买一瓶。

   mā, zuò hóng​shāo​ròu de dòu​yóu bù gòu le, wǒ xià​lóu qù mǎi yī píng.

   Mom, there's not enough soybean oil for the braised pork; I'm going downstairs to buy a bottle.

   Source: Dong Chinese Dictionary