n.放射性尘埃对海洋地区的污染...

fall的现在完成时为：fallen...

infallible的近义词/同义词有：unerring, right, sure, reliable, reliable, sure, unerring, right。adj.infallible的近义词（确实的）：unerring, right, sure, reliable。infallible的近义词（其他释义）：reliable, sure, unerring, right。...

fateful的音标：fateful的英式发音音标为：['feɪtfl]fateful的美式发音音标为：['fetfəl]...

adj.（有）两面的，双面的，（人）表里不一的，模棱两可的...

fastnesses的音标：...

unfaithful的反义词有：faithful, faithful。adj.unfaithful的反义词（不诚实的;不忠实的）：faithful。unfaithful的反义词（其他释义）：faithful。...

facets的音标：...

n.公正，公平，（皮肤的）洁白，金发，顺利性...

infamous的近义词/同义词有：base, terrible, disgraceful, low, wicked, evil, scandalous, bad, notorious, outrageous, shameful, evil, dishonorable, flagrant, wicked, scandalous, low, notorious, cursed, accursed, criminal, shameful, ...

n.宿命论者...

adj.不利的，相反的，令人不快的，不吉利的...

fabricate的近义词有：make, fabricate, manufacture, produce。下面这些动词均有"做，制造"的含义：make：普通用词，很常用，含义广，既可指制造具体的东西，也可指完成一种行为。fabricate：特指按照标准样式制作或把材料或部件组合成一个整体。manufacture：正式用词，一般指用机器大规模地批量生产各种生活或生产用品。produce：普通用词，侧重大量地生产出各种生产用品和生活用品。强...

Their research is only in its infancy.他们的研究处于初级阶段。He came to England in his infancy.他幼年时期来到英国....minute details of Deborah's infancy.德博拉幼年生活的详尽细节to die in infancy婴儿夭折Both females and males may learn to masturbate al...

adj.速食的，快餐的...

fashion的音标：fashion的英式发音音标为：['fæʃn]fashion的美式发音音标为：['fæʃən]...

welfare的近义词/同义词有：benefit, prosperity, well-being, interest, advantage, comfort, success, good, advantage, success, sake, behalf, interest, well-being, benefit, comfort, good, prosperity。n.welfare的近义词（利益;安乐;福利）：benefit, p...

fat的反义词有：poor, lean, thin, slender, thin, poor, slender, fatless, meager, lean。adj.fat的反义词（肥胖的;肥沃的;大量的）：poor, lean, thin, slender。fat的反义词（其他释义）：thin, poor, slender, fatless, meager, lean。...

fair（公平的）的比较级形式...

All his life, the scholar attempt to render science fathomable to the public.这位学者一生都试图使科学为大众所理解.It is a breakthrough to extract key information from fathomable electrical measurements with appropriate mathematics tool.寻找...

faithful的音标：faithful的英式发音音标为：['feɪθfl]faithful的美式发音音标为：['feθfəl]...

Methods: To calculate the bacterial endotoxin limit of cefalotin sodium for injection.方法计算注射用头孢噻吩钠的细菌内毒素限值,通过干扰试验,确定其最大无干扰浓度.Objective To establish the bacterial endotoxin test method for cefalotin sodium for injection.目...

favorites的音标：favorites的英式发音音标为：['feɪvərɪts]favorites的美式发音音标为：['feɪvərɪts]...

fastback的音标：fastback的英式发音音标为：['fɑ:stbæk]fastback的美式发音音标为：['fɑstbæk]...

The degradation or assimilation of fatty materials is often restricted because of their relative insolubility.脂肪物质因其溶解度低,分解作用和吸收作用常受限制.There's a lot of evidence that oily fish, as distinct from fatty meat, has a ben...

grandfather的复数形式为：grandfathers...

n.幻想家，梦想家...

n.贝尔法斯特（北爱尔兰首府）...

England's footballers are back home after their ill-fated trip to Algeria.英格兰足球队结束了倒霉的阿尔及利亚之行，回到了国内。He was fated not to score.他注定不会进球。We were fated never to meet again.我们注定了永远不能再相见。...

后退， （对方因被击败而）退却...