5 sentences

1. 那会摧毁他仅存的免疫系统。

   nà huì cuī​huǐ tā jǐn cún de miǎn​yì xì​tǒng.

   That'll destroy whatever's left of his immune system.

   Source: OpenSubtitles

2. 要是他的免疫系统太强了呢？

   yào​shi tā de miǎn​yì xì​tǒng tài qiáng le ne?

   What if his immune system is too strong?

   Source: OpenSubtitles

3. 人体免疫系统能识别入侵的抗原。

   rén​tǐ miǎn​yì xì​tǒng néng shí​bié rù​qīn de kàng​yuán.

   The human immune system can identify invading antigens.

   Source: Dong Chinese Dictionary

4. 长期熬夜会损害免疫系统并引发各种疾病。

   cháng​qī áo​yè huì sǔn​hài miǎn​yì xì​tǒng bìng yǐn​fā gè zhǒng jí​bìng.

   Staying up late habitually will damage the immune system and trigger various diseases.

   Source: Dong Chinese Dictionary

5. 淋巴在人体的免疫系统中起着关键性的作用。

   lín​bā zài rén​tǐ de miǎn​yì xì​tǒng zhōng qǐ zhe guān​jiàn​xìng de zuò​yòng.

   Lymph plays a key role in the human immune system.

   Source: Dong Chinese Dictionary