The HUVECs were isolated from fresh umbilical vein with 0.1% collagenase A and were identified by cell morphology and immunostaining.是什么意思_The HUVECs were isolated from fresh umbilical vein with 0.1% collagenase A and were identified by cell morphology and immunostaining.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句