Your immune defense system gets depleted as you age.

你的年龄，你的免疫防御系统被耗尽。

ObjectiveTo investigate the immune defense ability of patients with amoebic liver abscess.

目的了解阿米巴肝脓肿患者机体的免疫防卫能力。

Nature gave you a strong immune defense network, but that system gets depleted as you age.

天然带给你的强大的免疫防御络，这是会随着年龄而减弱的防御能力。