Our Intelligence Service was untrained, cumbersome, and almost wholly ineffectual.我们的情报部门人员缺乏训练，机构臃肿，简直毫无用处。They're making efforts to streamline their normally cumbersome bureaucracy.他们正努力精简本来繁冗复杂的官僚体制。The organizat...
挪开些,让你外婆坐下来.Move over and let your grandmother sit down.很久以来，她的母亲和外婆两人之间几乎不怎么说话。For a long time her mother and her grandmother had hardly been on speaking terms.我奶奶和外婆都是孤寡一人。My grandmothers are both widows....
CR-2 、CR-42 、AC不能利用蔗糖和棉子糖, 但CCH却与之相反.Strain CCH is able to metabolize sucrose and raffinose, and the others are not.酶底物研究表明,酶水解菊粉, 但不水解棉子糖,水解蔗糖活性较低.The enzyme has no effection on raffinose, but could hydrolyze inulin and...