杜克团队向我们演示了颗粒的核心提供了这些化合物，然后这些化合物就黏在了像刷子一样的纤毛上面，而这些纤毛是我们的呼吸道管里用来清除黏液用的。
The Duke team showed that the particle core delivers these organic chemicals onto brush-like surfaces called cilia, which clear mucus from the airway lining.
颌下腺属混合腺，以混合性腺泡为主，有少量浆液性腺泡和黏液性腺泡，有闰管、颗粒曲管和分泌管；
The submandibular gland, which is a mixed gland containing more mixed acinus than serous acinus and mucous acinus, contains intercalated duct, GCT, and secretory duct.
颌下腺属混合腺，以混合性腺泡为主，有少量浆液性腺泡和黏液性腺泡，有闰管、颗粒曲管和分泌管；
The submandibular gland, which is a mixed gland containing more mixed acinus than serous acinus and mucous acinus, contains intercalated duct, GCT, and secretory duct.
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