Because thymic dendritic cells are the potent antigen presenting cells in the thymus, they must play an important role in thymic negative selection.是什么意思_Because thymic dendritic cells are the potent antigen presenting cells in the thymus, they must play an important role in thymic negative selection.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句