Tetracyclines (tetracycline, oxytetracycline and chlortetracycline) may be used for either prevention or treatment of bacterial infections.是什么意思_Tetracyclines (tetracycline, oxytetracycline and chlortetracycline) may be used for either prevention or treatment of bacterial infections.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句