adj.步调的，步伐的v.踱步于，走动( pace的过去式和过去分词 )，调整自己的工作（或活动）节奏，领先于，为…定步速...

n.赛马会，种( race的名词复数 )，（速度）比赛，（事件等的）进行，人种...

grace的近义词/同义词有：honor, dignify, distinguish, clemency, sympathy, mercy, pardon, excuse, polish, charm, attractiveness, loveliness, refinement, elegance, beauty, favor, thanks, thanksgiving, blessing, prayer, honor, quarte...

The kinetics and mechanism of exciplex formation of 9,10 - dicyanoanthracene ( DCA ) by acenaphthenone ( ANO ) have been studied.研究了苊酮 ( ANO ) 对9,10-二氰蒽 ( DCA ) 的荧光猝灭与激基络合物形成的动力学与机理....

Spacek的音标：...

acetoxylide的音标：acetoxylide的英式发音音标为：[əs'tɒksɪlaɪd]acetoxylide的美式发音音标为：[əs'tɒksɪlaɪd]...

衣原体科...

We must trace the source of these noxious gases before they asphyxiate us.在我们被这些有毒气体窒息之前,必须查出其来源.There was a trace of exasperation in his voice.他的声音听上去有些愤怒。The lecture will trace the depiction of horses from earliest tim...

卫矛科...

He drew his dagger and turned to face his pursuers.他拔出匕首转身面向追他的人。His grief was etched into every line of his face...他一脸悲伤。Nearly half of all local councils face being capped.所有地方议会有将近一半的开销将受到限制。The wind pushed his hair a...

n.中间，空隙，空间（interspace的复数形式）vt.留…的间隔，留空隙，占据…之间（interspace的第三人称单数形式）...

...former motor-racing ace Stirling Moss.前一流赛车手斯特林·莫斯...a really ace film.精彩绝伦的电影That is the third ace that he has served this match.那是他在这场比赛中的第3次发球得分.Our superior technology is our ace in the hole.我们超众的技术是我们的法宝。...the a...

palace的复数形式为：palaces...

hold in place的音标：hold in place的英式发音音标为：[həuld in pleis]hold in place的美式发音音标为：[hold ɪn ples]...

hexacene的音标：hexacene的英式发音音标为：['heksɪsi:n]hexacene的美式发音音标为：['heksɪsin]...

adj.瓶状的...

n.滑稽...

Among these plants , the most important families are as follows , Ranunculaceae, Berberidaceae, Menispermaceae, Papaveraceae, Rutaceae, Fabaceae, Apocynaceae, Solanaceae, Asteraceae and so on.其中主要的科为:毛莨科 、 小檗科、防己科 、 芸香科 ...

dibenzanthracene的音标：dibenzanthracene的英式发音音标为：[dɪ'benzænθreɪsi:n]dibenzanthracene的美式发音音标为：[dɪ'benzænθreɪsin]...

She watches him plane the surface of a walnut board...她看着他刨平一块胡桃木板。The dorsal surface of its cuttlebone is yellowish and evenly convex.它的侧背面是微微的黄色,并且均匀的突起.The ground surface subsides discontinuously and rock mass fails s...

micaceous的音标：micaceous的英式发音音标为：[maɪ'keɪʃəs]micaceous的美式发音音标为：[maɪ'keɪʃəs]...

n.一本正经的面容，毫无表情的脸...

...

take the place of的音标：take the place of的英式发音音标为：[teik ðə pleis ɔv]take the place of的美式发音音标为：[tek ði ples ʌv]...

n.柔顺的人，易受人左右的人，反对解放奴隶的北方议员...

[化] 丙炔，甲基乙炔...

surface的近义词/同义词有：face, exterior, outside, outside, side, external, sheet, superficial, outward, face, land, exterior, pavement。n.surface的近义词（表面;外面）：face, exterior, outside。surface的近义词（其他释义）：outside, side, external, sheet...

lace的近义词/同义词有：web, openwork, embellishment, ribbon, cordon, crochet, filigree, braid, lacework, decoration, braiding, inacrame, needlework, ornamentation, netting, mesh, trimming, trim, fancywork, tatting, adornment, str...

An extraordinary effort , but this is no ordinary cetacean.这项工作异常艰巨, 因为这是一头非同寻常的鲸鱼.The sperm whale is believe to dive deeper than any other cetacean.人们相信,抹香鲸比其他鲸类动物潜得更深.Impossible, cetacean and larynx is very narrow.不可能,...

本征空间，特征空间...