to and fro的音标：to and fro的英式发音音标为：[tu: ænd frəʊ]to and fro的美式发音音标为：[tu ənd fro]...

The area of contact between opposing combat forces; a battlefront.阵地:敌对双方交锋的地区; 战争前沿.The heroic mother herself against feeling deep sorrow and sent her beloved son to the battlefront.英雄的母亲强忍悲痛,将自己的爱子送上前线.Star Wars Battle...

The street was deserted except for a cat lifting its paws off the frosty stones.街上空无一人，只有一只猫在结霜的石砖上拾爪而行。The atmosphere in the room was decidedly frosty.房间里的气氛明显很冷。The president may get a frosty reception in New Hampshire...

脱离（政党等），打破...

frolic的现在进行时为：frolicking...

n.蛙人，潜水员...

escape from的音标：escape from的英式发音音标为：[is'keip frɔm]escape from的美式发音音标为：[ɪ'skep frʌm]...

与…不同，不同意（某意见或某人），差...

n.[植]藏红花（色的），番红花（色的），（用于食品上色和调味的）干藏红花粉，金黄色，橘黄色adj.藏红花色的，橘黄色的...

One could only gasp at the sheer effrontery of the man.那人十足的厚颜无耻让人们吃惊得无话可说。He was so amazed at their effrontery that he stutters in confusion.他对他们的粗暴无礼感到非常吃惊,竟然结结巴巴,不知所措.He denied with bland effrontery.他和颜悦色地厚着脸皮把一切都赖掉了....

v.皱眉( frown的过去式和过去分词 )...

be different from的音标：be different from的英式发音音标为：[bi: 'difərənt frɔm]be different from的美式发音音标为：[bi 'dɪfərənt frʌm]...

froth的第三人称单数（三单）为：froths...

The water frothed as it tumbled down the rocks.水冲击在岩石上溅起了泡沫.The coco - cola frothed as it was poured out.可口可乐 倒出来时泛起泡沫.Cappuccino is traditionally equal parts espresso, steamed milk and frothed milk.卡布其诺是用等量的意大利咖啡 、 热牛奶、...

adfrontal的音标：adfrontal的英式发音音标为：[ædf'rʌntl]adfrontal的美式发音音标为：[ædf'rʌntl]...

We can't plant the vegetables while the erath is still frostbound.我们不能在土地还封冻时种植蔬菜....

children frolicking on the beach在海滩上嬉戏的儿童Little Bao was happy as a puppy frolicking in the snow.小小宝快活得好像雪天的小狗.When they meet their tamed brothers, they rub noses and mingle with them, grazing and frolicking.它们对许多牧马都熟悉, 相...

frothed的音标：...

泡沫计...

n.厚颜无耻，无礼（的行为）( effrontery的名词复数 )...

v.减少，降低，取自...

Do your intelligence officers know where the bad guys are planning to use this leapfrog tactic?你们情报官员知道那帮坏蛋打算在哪里实施这些跳蛙策略?China railway leapfrog development strategy focused on large - scale railway network construction.中...

frothy的最高级为：frothiest...

n.（昆虫的）额( frons的名词复数 )...

frontier的复数形式为：frontiers...

frontals的音标：...

福禄培尔(Friedrich,1782-1852，德国教育家、幼儿园创办人)...

stay away from的音标：stay away from的英式发音音标为：[stei ə'wei frɔm]stay away from的美式发音音标为：[ste ə'we frʌm]...

frowardly的音标：frowardly的英式发音音标为：[f'rəʊədlɪ]frowardly的美式发音音标为：[f'rəʊədlɪ]...

唇基后线...