B7-1 expression was closely corelated with the histological activity grade(HAI) and serum alanine transaminase(ALT) level.是什么意思_B7-1 expression was closely corelated with the histological activity grade(HAI) and serum alanine transaminase(ALT) level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句