查询词典 pentatomic

Pyrrole and its derivatives are important pentatomic heterocyclic compounds. They are widely applied in medicine, pesticides, food, household chemicals, flatting putty, testile material, printing, paper making and so on.

吡咯及其衍生物是一种重要的含氮五元杂环化合物，广泛应用于医药农药食品、日用化工、涂料、纺织、印染、造纸等诸多领域，尤其是近年来在感光材料、高分子材料等高科技领域中的应用，更使吡咯类化合物的合成成为人们研究的热点。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。