The synthetic route of geraniol and nerol was studied.本文研究了香叶醇和橙花醇的合成方法.A structural isomer of citral that is obtained from the oxidation of geraniol.葡萄糖的一种异构体,见于蜂蜜和甜水果中....
这些大机构总是随意制定规定，而且说变就变。These large institutions make — and change—the rules to suit themselves.条约规定他们必须尊重其邻国的独立。The treaty binds them to respect their neighbour's independence.警察如果遵守这些规定的话，一年都活不了。A policeman would not...
许多动物物种现已从地球上绝迹.Many types of animal have now vanished from the earth.那种传染病早已绝迹.That kind of epidemic disease has long been stamped out.甚至在今天这种做法还未绝迹.Even today remnants of this practice remain....
This collection of letters is affectionate, candid and wickedly funny.这本书信集感情真挚，语言坦率，还透着一种顽皮的滑稽。His eyes gleamed almost wickedly.他狡黠的双眼闪闪发亮。Michael grinned wickedly.迈克尔坏坏地咧嘴笑了。...
公司上下都协力相助。The entire company pitched in to help.在这里,你可以看到两个劳动者, 他们俩协力割下了三车金黄色的通心面秸.Here you can see two workers who, between them, have just finished cutting three cart - loads of golden brown macaroni stalks.他和同事们协力编纂这部...
Expression of the exogenous genes was confirmed by assay of � � - galactosidase and glucokinase activity.基因的表达通过β 半 乳糖苷酶和葡糖激酶活性测定得到确证.Objective To observe the replicative senescence - related beta - galactosidase activit...