免疫豁免部位免疫细胞在正常情况下不能接触或者进入的组织部位如中枢神经系统
Immune exemption sites are tissue areas that immune cells cannot come into contact with or enter under normal circumstances, such as the central nervous system
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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