基本解釋螺吡喃同根派生 spiro-pyran相關(guān)詞英漢例句Pyran is not aromatic, but the phrylium ion is. 吡喃不是芳香的，但眬英嗡離子是。At this point Vice President Spiro Agnew spoke up. 這時，斯皮羅·阿格紐副總統(tǒng)發(fā)言了。On top of all this, Nixon was about to lose his Vice President, Spiro Agnew. 此外,尼克松即將失去他的副總統(tǒng)斯史羅阿格紐。Spiro orthocarbonates are of great importance to expansion monomers. 膨脹單體中很重要的一類是螺環(huán)原碳酸酯。This paper has reviewed the synthetic methods of spiro orthocarbonates. 本文綜述此類單體的合成方法。spiro-pyran更多例句