And the diblock copolymer PI-b-PEO with an azide group was obtained by a series of modification of the hydroxyl group at the junction point.是什么意思_And the diblock copolymer PI-b-PEO with an azide group was obtained by a series of modification of the hydroxyl group at the junction point.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句