immune defenseＴ短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 免疫防御 Your immune defense system gets depleted as you age. Colostrum Plus adds back antibiotics and immune factors for dual action in the bloodstream and also in the GI tract. 你的免疫系统会随着年龄的增长而减少，牛初乳能增强血液和肠道中的抗菌能力和免疫因子的双重反应。 hdfiles