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溴代烷...

The suitable organic imine reactants have a variety of compositions and structures.合适的有机亚胺反应剂具有多种组成和结构.The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~...

nineteen的复数形式为：nineteens...

使温和一些...

adj.要使颈骨折断似的，非常危险的...

Component: Pure water , Cymene, Active Surface Chemical Preparation , Anlistatig Chemical preparation etc.成份: 纯净水,异丙醇, 进口表面活性剂, 抗静电剂等....

Uses: Agriculture chemical , fertilizer , fodder and pigment, catalyst, purifying pharmaceutical , disinfectant , magnetisable material raw materials, etc.用途: 农药 、 料 、 料及颜料, 催化剂 、 化剂 、 性材料原料等....

bromotrifluoromethane的音标：bromotrifluoromethane的英式发音音标为：[brəʊməʊt'raɪflʊərəʊmi:θæn]bromotrifluoromethane的美式发音音标为：[broʊmoʊt'raɪflʊəroʊmiθæn]...

n.抑制酮体生成，酮体减少...

I wouldn't be caught dead in such an old-fashioned place.我绝对不会去那样老土的地方。An old-fashioned bell tinkled as he pushed open the door.当他推开门时，一口旧式的钟丁零零地响了起来。The interior of the house was furnished with heavy, old-fashioned...

n.二亚苄基...

n.马兜铃烷，土青木香烷...

蛤素...

超等...

The Negev became a religious center with many monasteries and churches.内格夫成为许多庙宇和教堂的宗教中心.Then Abram set out and continued toward the Negev.9后来亚伯兰又渐渐迁往南地去.Abram journeyed on , continuing toward the Negev.创12:9后来亚伯兰又渐渐迁往南地...

I didn't get a wink of sleep on the aeroplane.我在飞机上没合一下眼。The aeroplane was gyrating about the sky in a most unpleasant fashion.飞机在空中盘旋，令人不堪忍受。The centre of pressure moves rearward and the aeroplane becomes unbalance...

adj.消极的，否认的，[数]负的，[心]反抗性的，无预期结果的n.否定词语，否定的观点，消极性，[摄]底片vt.否定，拒绝...

去甲基金霉素，去甲氯四环素...

n.光亮，有光泽...

ittnerite的音标：ittnerite的英式发音音标为：['ɪtnərɪt]ittnerite的美式发音音标为：['ɪtnərɪt]...

isotricyclene的音标：isotricyclene的英式发音音标为：[aɪsəʊtraɪ'saɪkli:n]isotricyclene的美式发音音标为：[aɪsoʊtraɪ'saɪklin]...

chlormethine的音标：chlormethine的英式发音音标为：[k'lɔ:mi:θi:n]chlormethine的美式发音音标为：[k'lɔmiθin]...

v.使高兴，使快乐( gladden的过去式和过去分词 )...

brazenness的音标：brazenness的英式发音音标为：['breɪznnəs]brazenness的美式发音音标为：['breɪznnəs]...

metochalcone的音标：metochalcone的英式发音音标为：[metɒkæl'kəʊn]metochalcone的美式发音音标为：[metɒkæl'koʊn]...

Stark concrete walls have been softened by a show of fresh flowers.鲜花摆上之后，突兀的混凝土墙便显得柔和起来。Fry for about 4 minutes, until the onion has softened.煎4分钟左右，直到洋葱变软。All at once, Mick's serious expression softened into a gri...

生殖的...

The gentleness and fatherliness of the strange old man eased her fears.那位陌生老年男子的亲切和慈祥减轻了她的担心....

honeycomb的音标：honeycomb的英式发音音标为：['hʌnikəʊm]honeycomb的美式发音音标为：['hʌnikoʊm]...