Nasal mucosa can secrete immunoglobulin A, in order to surround and annihilate the invading bacteria.
鼻腔粘膜还可分泌免疫球蛋白A, 以围歼入侵的病菌.
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英英释义
Noun
1. one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts