BAL b/c mice were immunized by injections of human tissue-type plasminogen activator (t-PA) purified from human melanoma cells and pig heart.是什么意思_BAL b/c mice were immunized by injections of human tissue-type plasminogen activator (t-PA) purified from human melanoma cells and pig heart.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句