contact的反义词有：isolation。n.contact的反义词（）：isolation。...

It's not that difficult. As a matter of fact, it'squite easy.这并不那么困难，实际上，容易得很。As a matter of fact, business has come to a stop.事实上, 业务已停止了.I'm going there tomorrow, as a matter of fact.其实,我明天是准备去那里....

In those days, dentistry was basic. Extractions were carried out without anaesthetic.那时候，牙科学刚起步，拔牙都不打麻药。Her teeth are so bad that she needs three extractions.她牙齿坏得非常厉害,得拔掉三颗.Her teeth are so bad that she needs five extra...

fractionate的现在进行时为：fractionating...

六放海绵纲...

exactor的音标：exactor的英式发音音标为：[ɪg'zæktə]exactor的美式发音音标为：[ɪg'zæktə]...

The ground was rocky, uneven, and hard . Prickly pear cactuses were everywhere.岩石构成的地面既不平整又很坚硬, 到处都是多刺的仙人掌.The botanical garden had many different plants and trees , especially cactuses.植物园里有许多各种植物, 尤其是仙人掌居多.I grow orchi...

The extraction and purification of Acetobacter Z 127 ADH.3AcetobacterZ127中ADH的提取纯化....

乳菇属...

I haven't practiced my French for months and it's getting rusty.几个月不用,我的法语又回生了.He was a practiced musician.他是一位演技娴熟的音乐家.He practiced to steal the purse from the lady.他竭力想窃取那位女士的钱夹....

Encounters of like charges act to diminish the coagulation rate.同性带电粒子间的碰撞作用减少凝聚率.He explained the yellow fever epidemic as a providential act to discourage urban growth...他解释说黄热病的流行恰好减缓了城市的扩张。...section 14 of the Trade ...

fractal的音标：fractal的英式发音音标为：['fræktl]fractal的美式发音音标为：['fræktəl]...

enact的现在进行时为：enacting...

fraction的反义词有：integer, integer。n.fraction的反义词（小部分;片段;碎片）：integer。fraction的反义词（其他释义）：integer。...

characteristic的近义词有：peculiar, characteristic, individual, distinctive,quality, property, feature, characteristic, peculiarity, trait, attribute, character。下面这些形容词均含"特有的，显示特征的"的含义：peculiar：侧重指某人或某物本身与众不同；也可指种族、民族或性别，着重有其无...

factious的近义词/同义词有：disruptive, discordant, at, insubordinate, quarrelsome, warring, dissentious, disagreeing, disharmonious, conflicting, odds, disputatious, contentious, divisive, controversial。adj.factious的近义词（好乱的）：disr...

Contrasted with control group, lactoprotein was increased while butterfat percentage decreased.与对照组相比, 乳蛋白有所升高,乳脂率有所下降.Lactoprotein was an important source of bioactive peptides besides a nutritional substance.乳蛋白除了营养作用外...

react的现在进行时为：reacting...

n.压实，压制，（加）压（模）塑v.压紧， （使）坚实( compact的现在分词 )...

n.异半乳糖苷酶...

The indisputable fact is that computers carry out logical operations.不容置疑的事实是，电脑执行逻辑操作指令。"I know you," he said flatly, matter-of-fact, neutral in tone.“我认识你。”他平淡地说道，就事论事，不带任何感情。You have to admit that you are, in fact, in...

bacteria的近义词有：germ, bacteria, virus, microbe, bug。下面这些名词都含"致病的微生物"的含义：germ：微生物的俗称，专指引起人体生命的病菌。bacteria(系bacterium的复数形式)，泛指任何在动植物体中广泛传播的微生物细菌，其中有的对生命体无害，有的能导致传染病或严重疾病，如天花、霍乱等。virus：技术用语，特指病毒或过滤性病原体。microbe：本义指在显微镜下才能见到的微生...

Friendship means understanding, not agreement. It means forgiveness, not forgetting.It means the memories last, even if contact is lost.友情是理解，不是妥协；是原谅，不是遗忘。即使不联系，感情依然在。The exiles had been cut off from all contact with th...

actol的音标：...

可变细菌属...

galactotoxism的音标：galactotoxism的英式发音音标为：[ɡælæktəʊ'tɒksɪzəm]galactotoxism的美式发音音标为：[ɡælæktoʊ'tɒksɪzəm]...

bacterium的音标：bacterium的英式发音音标为：[bæk'tɪərɪəm]bacterium的美式发音音标为：[bæk'tɪriəm]...

factual的近义词有：genuine, authentic, actual, real, true, factual。下面这些形容词均有"真的，真实的，实在的"的含义：genuine：普通常用词，指真正的，货真价实的，强调非人为或非虚假的。authentic常可与genuine换用，指与事实完全相符，强调准确可靠。 actual：指事物的实际存在，并非出自主观臆造。real：普通用词，含义较广，有时可与actual和genuine换...

contractor的音标：contractor的英式发音音标为：[kən'træktə(r)]contractor的美式发音音标为：['kɑnˌtræktɚ, kən'træk-]...

the rolling hills that characterize this part of England成为英格兰这一地区特征的绵延起伏的丘陵地We ordinarily characterize an action as responsible if it was intended.如果行为是有意的,我们一般将其特征归为应负责任的.Several different names have emerged to characte...