The structures of cortex and medulla of thymus were clear in mice in normal group,there were a large number of lymphocytes in the cortex and small number of lymphocytes in the medulla.是什么意思_The structures of cortex and medulla of thymus were clear in mice in normal group,there were a large number of lymphocytes in the cortex and small number of lymphocytes in the medulla.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句