Word: 免疫系统 (miǎnyìxìtǒng) Traditional: 免疫系統 免疫系统 dictionary entry miǎnyìxìtǒng immune system Full dictionary entry for 免疫系统 Example sentences using 免疫系统 2 sentences, showing page 1 of 1. 不睡觉会影响免疫系统吗？ Bú shuìjiào huì yǐngxiǎng miǎnyìxìtǒng ma? Does not sleeping affect your immune system? 生病时免疫系统在工作。 Shēngbìng shí miǎnyìxìtǒng zài gōngzuò. When you are sick, your immune system is hard at work.