n.幂等矩阵，等幂矩阵，归本因数...

stratify的现在完成时为：stratified...

affected的音标：affected的英式发音音标为：[ə'fektɪd]affected的美式发音音标为：[ə'fɛktɪd]...

We must first of all destroy the enemy's effectives.我们首先必须消灭敌人的有生力量.We must try our best to consume enemy effectives.我们必须尽力消耗敌人的有生力量....

对…友好；对…友善，交好...

Tourism must try to be eco-friendly.旅游业必须尽力做到环保。This vehicle driven by electrical engine, which is surely more eco - friendly.车子的动力采用电动方式, 更加的洁净环保.Our ground beef, for example, has always been fairly eco - friendly.例如我们的...

defectives的音标：defectives的英式发音音标为：['di:fektɪv]defectives的美式发音音标为：['difektɪv]...

adj.巧妙的，狡猾的，有技巧的，人工的...

"Ha, ha," everyone guffawed. "It's one of Viv's shock tactics."“哈哈，”所有人都大笑起来，“这是维夫的一招出奇制胜的战术。”They all guffawed at his jokes.他们听了他的笑话都一阵狂笑。Hung - chien guffawed and said , " I deserve a scolding for that!鸿 渐 哈哈...

infrasternal的音标：infrasternal的英式发音音标为：['ɪnfrəstɜ:nl]infrasternal的美式发音音标为：['ɪnfrəstɜnl]...

funky的比较级为：funkier...

fractionate的第三人称单数（三单）为：fractionates...

A new generation of scientists became fascinated by dinosaurs.新一代科学家对恐龙研究着了迷。I was fascinated by the different people who did business with me.我对那些跟我做生意的形形色色的人非常感兴趣。I sat on the stairs and watched, fascinated.我坐在楼梯上出神地观望...

fluff的音标：fluff的英式发音音标为：[flʌf]fluff的美式发音音标为：[flʌf]...

Next to bullfights and soccer, lotteries are Spain's biggest sport.除了斗牛和足球以外, 彩票是西班牙最热门的玩意儿....

flu的音标：flu的英式发音音标为：[flu:]flu的美式发音音标为：[flu]...

confine的第三人称单数（三单）为：confines...

aftermath的复数形式为：aftermaths...

n.渔民，渔工...

n.烙饼( flapjack的名词复数 )，大薄煎饼，烤饼，小粉盒...

pron.(it的反身形式)，它自己，它本身，自身，本身...

A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.用糠醇和糠醛缩聚制备了新型呋喃树脂.Resinification of furfural on the catalyst was the main cause of deactivation.糠醛树脂化结焦是导致催化剂失活的主要原因.Fig. 5 Varia...

n.率直，坦率，坦白，襟怀坦白...

frangipani的复数形式为：frangipanis...

A feverish child refuses to eat and asks only for cold drinks...发烧的孩子不愿吃东西，只会要冷饮。This country refuses stubbornly to make amends for its past war crimes.该国顽固地拒绝为其过去的战争罪行赔罪.What if a factional ringleader refuses to be tran...

infimum的音标：infimum的英式发音音标为：[ɪn'faɪməm]infimum的美式发音音标为：[ɪn'faɪməm]...

safari的复数形式为：safaris...

v.激起，煽动（麻烦等）( foment的第三人称单数 )...

The friable boxes arrived intact.这些易碎的箱子完整无损地运到了。Note the areas of dark red friable mucosa representing Barrett esophagus.暗红色碎片状黏膜提示Barrett食管....

foreshow的现在进行时为：foreshowing...