Brucella spp. are facultative intracellular pathogen that resides predominantly within two host cell types, macrophage and placental trophoblasts.是什么意思_Brucella spp. are facultative intracellular pathogen that resides predominantly within two host cell types, macrophage and placental trophoblasts.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句