With the technique of vitrectomy gradually maturing, the problem of vitreous substitutes emerged by degrees, this is an evidence of unbalanced development of technology.是什么意思_With the technique of vitrectomy gradually maturing, the problem of vitreous substitutes emerged by degrees, this is an evidence of unbalanced development of technology.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句