frontier的近义词有：border, bounds, boundary, frontier, limit。下面这些名词均含有"边界，边境"的含义：border：多指国与国之间或两地区的分界处，即分界线附近的边缘部分。bounds：常与boundary换用，指土地边界，但意思不如boundary明确，主要用于抽象事物和文学作品中。boundary：侧重地图上正式标定的、双方遵守的边界，也可指较小行政单位间的界线。frontier：指...

[医] 抗抗酶...

We don't want to cast a pall over the festivities.我们不想给庆典蒙上阴影。Every year between 30000 and 40000 Miaos participate in the festivities.节日里,聚会的苗族同胞,每年有三四万人.She thought the noise was part of school festivities.她以为这是学校庆...

n.职业，工作( metier的名词复数 )...

lubricities的音标：...

irregularities的音标：irregularities的英式发音音标为：[ɪreɡjʊ'lærɪtɪz]irregularities的美式发音音标为：[ɪreɡjʊ'lærɪtɪz]...

n.卡蒂(Kate 的异体亦作Katy)(f.)...

cockatiels的音标：...

impatient的反义词有：patient, patient。adj.impatient的反义词（无耐心的）：patient。impatient的反义词（其他释义）：patient。...

n.能力( ability的名词复数 )，力量，智慧，天资...

n.市长职位( mayoralty的名词复数 )...

n.第五十，五十分之一adj.第五十的，五十分之一的...

n.年轻，不成熟( juvenility的名词复数 )...

Supplying nutrients and immunities to my baby?为我的宝贝提供营养物质和免疫物质?And these provide immunities against the a host of infections and diseases.这些物质可提高婴儿的免疫力,使之免受病毒感染和疾病侵袭....

n.未来( futurity的名词复数 )，未来的事...

Tie - in sale is not encouraged.不主张搭卖....

You may be a sceptic and put it down to life's inequalities.你或许是个怀疑论者，会把它归因于生活的不公正。Blacks have been hurt by racial inequalities in housing and education.住房与教育方面的种族不平等现象让黑人深受伤害。economic inequalities between different...

outpatient的音标：outpatient的英式发音音标为：['aʊtpeɪʃnt]outpatient的美式发音音标为：['aʊtˌpeʃənt]...

patience的音标：patience的英式发音音标为：['peɪʃns]patience的美式发音音标为：['peʃəns]...

untie的现在完成时为：untied...

n.必然性( inevitability的名词复数 )...

Into her nineties, her thinking remained acute and her character forceful.虽已年届九旬，她依然头脑敏锐，个性很强。These trends only got worse as we moved into the nineties.我们步入20世纪90年代时，这些潮流变得更糟了。By this time she was in her nineties and nee...

v.弄脏( dirty的过去式和过去分词 )...

公民义务...

One of the uncertainties of military duty is that you never know when you might suddenly get posted away.任军职不稳定的因素之一是你永远不知道什么时候会突然被派往它处.Uncertainties affecting peace and development are on the rise.影响和平与发展的不确定因素在增加.The S...

Children seek out regularities and rules in acquiring language.儿童在学习语言过程中会找出各种规律和规则。They felt that all the regularities in nature have a purpose.他们感到自然界一切有规律的事物均有目的性.Our experience meanwhile is all shot through with regu...

n.不足，缺乏( scarcity的名词复数 )...

His civilities were worn out, like his information.他那一套礼貌举止, 也象他的出言吐语一样,已经陈腐不堪.We exchanged a few civilities.我们相互寒暄了几句.After a great number of civilities , Robin took the pipes, and played a piece of music.这一大套繁文缛节结束后, 罗...

n.繁荣（prosperity的复数形式）...

Cavities in teeth are caused by decay.牙齿上的空洞是由龋蚀造成的.The dentist filled several cavities in my teeth.牙医给我的牙堵了好几个洞 excavation 指“挖掘的洞”,如:Numerous and extensive eddy cavities retard the turbulent mixing process.多而大的涡流区延迟了扰动的...