5 sentences

1. 你得增强免疫力。

   nǐ děi zēng​qiáng miǎn​yì​lì.

   You need to boost your immunity.

   Source: OpenSubtitles

2. 这种药物能增强机体的免疫力。

   zhè zhǒng yào​wù néng zēng​qiáng jī​tǐ de miǎn​yì​lì.

   This medicine can enhance the body's immunity.

   Source: Dong Chinese Dictionary

3. 均衡的饮食有助于提高身体的免疫力。

   jūn​héng de yǐn​shí yǒu​zhù​yú tí​gāo shēn​tǐ de miǎn​yì​lì.

   A balanced diet helps to boost the body's immune system.

   Source: Dong Chinese Dictionary

4. 医生告诉他，通过增强体内的正气可以提高免疫力。

   yī​shēng gào​su tā, tōng​guò zēng​qiáng tǐ​nèi de zhèng​qì kě​yǐ tí​gāo miǎn​yì​lì.

   The doctor told him that he could improve his immunity by strengthening his body's vital energy.

   Source: Dong Chinese Dictionary

5. 这种药片含有丰富的锌，对提高身体免疫力很有帮助。

   zhè zhǒng yào​piàn hán​yǒu fēng​fù de xīn, duì tí​gāo shēn​tǐ miǎn​yì​lì hěn yǒu bāng​zhù.

   These tablets are rich in zinc, which is very helpful for boosting the body's immune system.

   Source: Dong Chinese Dictionary