They find it difficult to pump themselves up for the games.他们感到要为自己加油打气，自信满满地去打比赛并不容易。Age diminishes the heart's ability to pump harder and faster under exertion.随着年龄的增加，人在消耗体力时心脏的输血能力和输血速度会有所减弱。He ran in every five...

n.超跃度...

...

Mullon KT . Color and luminance vision in human optic neuritis � � J ］ . Brain 1986 ; 109∶1 - 13 .[6]黄时洲, 吴德正,吴乐正.视神经炎和慢性开角型青光眼患者的色觉[]眼科学报1991; 7∶2-94.In additional, the luminance step is applied to detect the penumbra.另...

episternum的复数形式为：episterna...

n.（化学元素）钔...

to issue an ultimatum发出最后通牒The cabinet met today to discuss how to respond to the ultimatum.内阁今天开会商量如何应对这道最后通牒。Listen as she reprimands him and gives him ultimatum.请听卡伦如何斥责他,给他下最后通牒.This time the proposal was couched as ...

stumbled的音标：...

Paper printing: publications, hardbound picture albums, product manuals, stick - on trademarks, placards etc.各类纸张印刷系列: 出版刊物 、 精装画册 、 产品说明书 、 不干胶商标 、 宣传海报等.Several blue plastic boxes under the window were filled with reco...

v.加沥青处理（bituminize的第三人称单数形式）...

galumph的音标：galumph的英式发音音标为：[gə'lʌmf]galumph的美式发音音标为：[ɡə'lʌmf]...

brachium的复数形式为：brachia...

summations的音标：...

n.镓...

enumerability的音标：enumerability的英式发音音标为：[enju:mərə'bɪlɪtɪ]enumerability的美式发音音标为：[enjumərə'bɪlɪtɪ]...

n.腐殖质...

adj.可点数的，可列举的...

estergum的音标：estergum的英式发音音标为：['estəgʌm]estergum的美式发音音标为：['estəgʌm]...

adj.周围的...

He was clumsily trying to grab at Alfred's arms.他笨手笨脚地想抓住艾尔弗雷德的手臂。There was a splash and something fell clumsily into the water.扑通一声，有东西重重地掉进了水里。The rooks flew clumsily towards their nests.那些秃鼻乌鸦笨拙地飞向它们的巢。...

v.加沥青处理...

柳叶菜属...

I arrived bleary-eyed and rumpled.我赶到时睡眼惺忪，头发蓬乱。She rumpled his hair playfully.她顽皮地弄乱他的头发。I hurried to the tent and grabbed a few clean, if rumpled, clothes.我赶紧跑到帐篷里，抓起了几件虽然有些皱，但是很干净的衣服。...

n.坐骨...

subsuming的音标：...

He will shortly become the fulcrum of the England team.他不久就会成为英格兰队的支柱。The decision is the strategic fulcrum of the Budget.这一决定是预算案的战略支点。The decision is the strategic fulcrum of the budget.这一决定是预算案的战略支点。...

体被...

v.旋转( circumvolve的现在分词 )...

Structural changes of dental enamel , dentine, cementum and pulpal reactions in carious process are discussed.其中,釉质龋的研究资料最为丰富, 其次是牙本质, 有关牙骨质龋的资料最少....

mediumistic的音标：mediumistic的英式发音音标为：[ˌmi:dɪə'mɪstɪk]mediumistic的美式发音音标为：[ˌmidɪr'mɪstɪk]...