barriers of infection 中文意思是什麼
barriers of infection
解釋
傳染屏障-
The mucous membranes lining their stomachs thickened and received more blood, both of which are important barriers to infection and ulcers
接下來,隆伯格和他同事收集服食硝酸鹽錠者的唾液,然後放到大鼠的胃壁上。
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