3 sentences

1. 机器人可以辅助医生进行精确的手术。

   jī​qì​rén kě​yǐ fǔ​zhù yī​shēng jìn​xíng jīng​què de shǒu​shù.

   Robots can assist doctors in performing precision surgeries.

   Source: Dong Chinese Dictionary

2. 鸟类的气囊可以帮助它们在飞行时减轻体重并辅助呼吸。

   niǎo​lèi de qì​náng kě​yǐ bāng​zhù tā​men zài fēi​xíng shí jiǎn​qīng tǐ​zhòng bìng fǔ​zhù hū​xī.

   Air sacs in birds help reduce weight and assist in breathing during flight.

   Source: Dong Chinese Dictionary

3. 该软件包含许多辅助工具来提高工作效率。

   gāi ruǎn​jiàn bāo​hán xǔ​duō fǔ​zhù gōng​jù lái tí​gāo gōng​zuò xiào​lǜ.

   The software includes many auxiliary tools to improve work efficiency.

   Source: Dong Chinese Dictionary