化學屏障
Chemical secretions which may kill or stop the growth of pathogens, hence preventing them from entering the body (Book 3, p.87)
可以殺死病原體或阻止它們生長的化學分泌物。這些分泌物可阻止病原體入侵身體。
Related terms: pathogen (病原體), physical barriers (物理屏障)
Pronunciation in English (listen with default application).
