n.鹅卵石，用手操作的碾磨石，手磨石...

marrowbone的音标：marrowbone的英式发音音标为：['mærəʊbəʊn]marrowbone的美式发音音标为：['mæroʊboʊn]...

fluperolone的音标：fluperolone的英式发音音标为：[flu:pərɒ'ləʊn]fluperolone的美式发音音标为：[flupərɒ'loʊn]...

Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...

Thus , this reduced temperature of reaction and increased the rate of acetophenone.降低反应温度,提高了苯乙酮的收率.Objective: A new approach to prepare α - bromo - 4 - benzyloxy acetophenone was introduced.目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法....

fonctionelle的音标：fonctionelle的英式发音音标为：[fɒŋkʃə'nel]fonctionelle的美式发音音标为：[fɒŋkʃə'nel]...

In this study , F - K anti - stalking agents of fruits and vegetables were obtained from natural floatstone.用天然浮石为主要原料加工制得了F -K 蔬菜水果保鲜剂....

carbenoxalone的音标：carbenoxalone的英式发音音标为：[kɑ:be'nɒksələʊn]carbenoxalone的美式发音音标为：[kɑbe'nɒksəloʊn]...

ballooner的音标：ballooner的英式发音音标为：[bə'lu:nə]ballooner的美式发音音标为：[bə'lunə]...

Many of them are low coral or limestone hideaways of palm trees, trade winds, and sand.许多岛屿是低矮的珊瑚,或隐匿着棕榈树, 信风, 和白沙的石灰石....a rich and deep vein of limestone.储量丰富的深层石灰石矿脉The channel is overlain by siltstone and lenticular ...

vi.喜欢（cotton的过去式与过去分词形式）...

Hydrocortisone ( HC ), 11� � , 17α, 21 - trihydroxypregn - 4 - ene - 3,20 - dione, is an important grucocorticoid.氢化可的松 ( hydrocortisone,HC ), 化学名称为11β,17α, 21-三羟基孕甾 -4- 烯 -3,20-二酮, 属肾上腺皮质激素类药.METHOD Rat models with yang...

oneself的音标：oneself的英式发音音标为：[wʌn'self]oneself的美式发音音标为：[wʌn'sɛlf]...

异松樟酮...

Halazone的音标：Halazone的英式发音音标为：[həlæ'zəʊn]Halazone的美式发音音标为：[həlæ'zoʊn]...

毛衬布...

n.可视电话，电视电话，视像电话...

lonely的近义词/同义词有：isolated, unaccompanied, friendless, forlorn, alone, lonesome, desolate, solitary, unaccompanied, lone, alone, desolate, isolated, solitary, deserted, friendless, forsaken, single, private, abandoned。adj....

n.癸酮...

活质粒...

Robert Kincaid was perspiring mildly; his top two shirt buttons undone.罗伯特.金凯微微出着汗, 衬衫的头两个扣子解开着.Consider only what by oneself is done or left undone.只要思考自己已做过的或还未做的事.What is done cannot be undone.覆水难收His pack was undone....

超声心音计...

dihydroxyanthraquinone的音标：dihydroxyanthraquinone的英式发音音标为：[di:haɪdrɒksɪəænθræk'wi:nəʊ]dihydroxyanthraquinone的美式发音音标为：[dihaɪdrɒksɪrænθræk'winoʊ]...

n.吡啶酮...

confectioner的复数形式为：confectioners...

The canvas Yin Xiang Ri Chu is the cornerstone of impressionistic paintings.《印象日出》这幅油画,是印象派绘画的奠基石.Wage control is the cornerstone of the government’s economic policy.控制工资是政府经济政策的基础。The doctrine of surplus value is the co...

n.葑酮，小茴香酮...

abandoner的音标：abandoner的英式发音音标为：[ə'bændənər]abandoner的美式发音音标为：[ə'bændənər]...

n.顶石，压顶石，顶点，（尤指成就的）顶点...

I was commissioned (as a) general in 1944.我于1944年被任命为将军。The company already has around four score titles commissioned and planned for publication...那家公司已有约80本书委托好了作者并计划出版。The city commissioned a monument to commemorate t...