3 sentences

1. 恒卦象征着持久与稳定。

   héng guà xiàng​zhēng zhe chí​jiǔ yǔ wěn​dìng.

   The Heng hexagram symbolizes persistence and stability.

   Source: Dong Chinese Dictionary

2. 这种药的药效非常持久。

   zhè zhǒng yào de yào​xiào fēi​cháng chí​jiǔ.

   The effect of this medicine is very long-lasting.

   Source: Dong Chinese Dictionary

3. 这款电池的电量非常持久，可以使用很长时间。

   zhè kuǎn diàn​chí de diàn​liàng fēi​cháng chí​jiǔ, kě​yǐ shǐ​yòng hěn cháng shí​jiān.

   This battery is very long-lasting and can be used for a long time.

   Source: Dong Chinese Dictionary