frustrated的近义词/同义词有：hamstrung, nullified, outwitted, checked, puzzled, obstructed, thwarted, cancelled, exasperated, foiled, confused, crippled, stymied, inhibited, impeded, perplexed, disconcerted, discouraged, baffled,...

French fries的音标：French fries的英式发音音标为：[frentʃ fraɪz]French fries的美式发音音标为：[frɛntʃ fraɪz]...

friend的近义词/同义词有：colleague, chum, mate, neighbor, intimate, associate, acquaintance, playmate, partner, comrade, buddy, crony, pal, companion, partner, comrade, helper, acquaintance, intimate, mate, buddy, ally, companion...

fragile的近义词/同义词有：dainty, frail, slight, flimsy, breakable, delicate, brittle, brittle, frail, puny, crisp, weak, crumbly, breakable, slight, dainty, delicate, frangible, flimsy, aerial, slippery。adj.fragile的近义词（易碎的;脆的;脆弱...

friendly的近义词有：friendly, kind, cordial。下面这些形容词均含"友好的，亲切的"的含义：friendly：指举止像朋友一样，往往怀着满腔热情，乐意助人。kind：指考虑周到，体谅他人，乐于助人。cordial：较正式用词，指亲切热诚，情意真挚。...

friend的反义词有：foe, enemy, foe, enemy。n.friend的反义词（朋友;支持者;同胞）：foe, enemy。friend的反义词（其他释义）：foe, enemy。...

friendly的反义词有：belligerent, inimical, cruel, unkind, unfriendly, quarrelsome, hostile, unfriendly, inimical。adj.friendly的反义词（友人的;友善的）：belligerent, inimical, cruel, unkind, unfriendly, quarrelsome。friendly的反义词（其他释义）：hostil...

frolicked的音标：...

adj.法兰克人的，法兰克语的，法兰克文化的n.法兰克人讲的（西）日耳曼语...

afraid的近义词/同义词有：trepid, terrified, scared, cowardly, fearful, frightened, timid, craven, fearful, scared, cowardly, yellow, apprehensive, alarmed, frightened。adj.afraid的近义词（害怕的,怕的,畏惧的）：trepid, terrified, scared, cowardly...

defrag的音标：defrag的英式发音音标为：[ˌdi:'fræɡ]defrag的美式发音音标为：[ˌdi'fræɡ]...

From time to time he will take on a new persona.他时常伪装自己。From time to time, James remained at home with his family.詹姆斯偶尔留在家里陪家人。Keep your head up, and look around you from time to time.要抬起头，不时看看四周。...

freshman的反义词有：senior。n.freshman的反义词（一年级生;新手）：senior。...

leapfrogs的音标：...

fresh的音标：fresh的英式发音音标为：[freʃ]fresh的美式发音音标为：[frɛʃ]...

Modern woman has been freed from many of the duties that befell her sisters in times past.现代女性已经从许多压在旧时女性身上的责任中解放出来了。He freed himself of the charge of stealing.他澄清了这一偷盗的指控。It became entombed in the permafrost, where it r...

隐瞒，阻止， 免于，忍住...

阻止， 防止...

freeze的反义词有：boil, melt, melt。vt. & vi.freeze的反义词（结冰;凝固）：boil, melt。freeze的反义词（其他释义）：melt。...

v.用旺火煸，用旺火炒n.炒出来的菜，炒菜...

front的反义词有：hind, back, rear, rear, hind, back。adj.front的反义词（前面的;正面的）：hind, back, rear。front的反义词（其他释义）：rear, hind, back。...

freewheel的第三人称单数（三单）为：freewheels...

Francisco的音标：Francisco的英式发音音标为：[fræn'sɪskəʊ]Francisco的美式发音音标为：[fræn'sɪskoʊ]...

friendly的近义词/同义词有：kind, neighborly, genial, sociable, amiable, hospitable, affectionate, social, companionable, thoughtful, familiar, accessible, approachable, outgoing, peaceable, warm, gracious, hearty, chatty, extrove...

in front of的音标：in front of的英式发音音标为：[in frʌnt ɔv]in front of的美式发音音标为：[ɪn frʌnt ʌv]...

The drug can reduce the frequency and severity of attacks.这种药能降低发病次数和严重程度.Accidents are happening with increasing frequency.事故发生得越来越频繁.Speech is made up of sound waves that vary in frequency and intensity.语音是由不同频率和强度的声波组...

freckle的一般过去时为：freckled...

frequently的反义词有：infrequently, rarely。adv.frequently的反义词（时常;屡次）：infrequently。frequently的反义词（其他释义）：rarely。...

Semidouble dark blue - purple frilled Large. Variegated dark green and pink. Standard.半重瓣深色的蓝到深紫色大朵折边花. 深绿色和粉红色组合成的斑叶. 标准型.Double medium blue frilled star. Medium - dark green, pointed, serrated. Large.重瓣中蓝色波折星型花. 中到深绿色尖...

frustrations的音标：frustrations的英式发音音标为：[frʌst'reɪʃnz]frustrations的美式发音音标为：[frʌst'reɪʃnz]...