释义 |
chemical reactivity短语¹⁴⁴⁹⁷²⁺² 基本例句 化学反应性 Chitin is thd natural polymer.Because chitin chains occur in bundles or micelles and ectensive intermolacular hydrogen bonding occurs,It results in a very lowchemical reactivity.甲壳素是一种天然高分子物质,由于甲壳素分子链是以束状微晶形式存在且分子间有强烈的氢键,使得它的化学反应性很低。 |