Antioxidant tertiary butyl hydroquinone was prepared by hydroquinone and tertiary butyl alcohol.由对苯二酚与叔丁醇反应制得抗氧化剂叔丁基对苯二酚.They were good catalyst for synthesis of n - butyl cinnamate.它们是催化合成肉桂酸正丁酯的良好催化剂.A method of synthe...

n.男管家，仆役长，司膳官...

n.异丁酰...

To record, press these two buttons together; then rewind , and then press the red button to play back.要录音就得一起按下这两个键, 而后倒回, 按下这个红键播放.Robert Kincaid was perspiring mildly; his top two shirt buttons undone.罗伯特.金凯微微出着汗, 衬衫的头...

adj.贡献的，起作用的v.捐献( contribute的现在分词 )，捐助，撰稿，投稿...

buttock的一般过去时为：buttocked...

butyrolactone的音标：butyrolactone的英式发音音标为：[betɪrɒ'læktəʊn]butyrolactone的美式发音音标为：[betɪrɒ'læktoʊn]...

布托巴胺...

布他米酯...

布康唑...

n.三丁酸甘油酯（一种油状液体，是存在于黄油等之中的乳脂的组分）...

n.批发公司，批发商( distributor的名词复数 )，（汽车上的）配电器...

He is exuberating in the knowledge of having contributed to victory.他知道自己对胜利有所贡献而显得神采奕奕.Coastwise winds contributed to the storm.沿岸风有助于暴风的形成.The president struck back at critics who say he should be held accountable for ...

microdistribution的音标：microdistribution的英式发音音标为：['maɪkrəʊdɪstrɪ'bju:ʃən]microdistribution的美式发音音标为：['maɪkroʊˌdɪstrə'bjuʃən]...

布他米唑...

Under the same chromatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析.Sensitivity of the week seedling to butachlor is higher than ...

v.重新分配( redistribute的过去式和过去分词 )...

maytanbutine的音标：maytanbutine的英式发音音标为：['meɪtənbju:tɪn]maytanbutine的美式发音音标为：['meɪtənbjutɪn]...

汞氯丁酚...

n.（尤指旧时一国向他国交纳的）贡品( tribute的名词复数 )，（良好效果或影响的）体现，（尤指对死者的）致敬，称赞...

distributively的音标：distributively的英式发音音标为：[dɪst'rɪbjʊtɪvlɪ]distributively的美式发音音标为：[dɪst'rɪbjʊtɪvlɪ]...

I buttoned up my coat; it was chilly.我扣上了外套的扣子；天气很冷。The impresario had buttoned his astrakhan coat.乐团经理扣好了羔皮外套.If the suit is buttoned, where should be the stickpin?西装系着扣时, 领带夹应在衬衫的哪两粒钮扣之间?Ferguson stood up and buttoned ...

The car inclines to incline and to slide to roll and collides to the abutment.汽车侧倾、滑滚并撞到了桥台上.In the maxilla, the abutment distribution did not allow a palatal - free restoration.在上颌, 基牙的分布情况不允许做不覆盖腭部的设计.The technique of ...

He is a generous contributor.他是位慷慨的捐助者.They reported that clouds are an important and heretofore uninvestigated contributor to the climate.他们报告说，云是影响气候的一个重要因素，但迄今为止没有进行过研究。All this can lead to divisive family arguments t...

苯丁唑啉；苯丁唑酮...

butyronitrile的音标：butyronitrile的英式发音音标为：[b'ju:tɪrəni:traɪl]butyronitrile的美式发音音标为：[b'jutɪrənitraɪl]...

contributes的音标：...

二异丙基甲酮...

捐赠[贡献]给…...

Both groups share two attributes normally associated with vertebrates.两组都具有通常脊椎动物才具备的两个特征。We have already seen the sum total of his attributes.我们已经见识了他所有的那点儿品质。It is surprising how soon historical personages became inves...