I can affirm that he is tenacious and pertinacious as are few.我可以肯定,像他那样不屈不挠、百折不回的人是十分罕见的.I dare affirm that the tomato will be very expensive.我敢肯定西红柿将很贵.I affirm I can like it.我肯定我会喜欢它....

He lost his balance, and pitched out of the window headfirst.他失去平衡, 头朝下从窗子上跌了下去.My mate dived headfirst through a window and I ran down the hallway.我的同伴从窗口一头扎了下去，而我则沿着走廊跑。Dive: To plunge, especially headfirst into water....

...

Her work involved more than administration of first aid to the wounded.她的工作不仅是对伤者的急救.We all know first aid.我们都会急救.Always keep a first - aid kit handy .手边要经常有个 急救箱....

firm的第三人称单数（三单）为：firms...

And from this fireball, multi - colored sparkles flashed everywhere.从火球中喷出的各种颜色的火花照亮了各个角落.An extremely hot fireball is seen that often outshines the host galaxy.我们看到流星通常就是发着光照亮了银河系.When a fireball appears you will invari...

fire的音标：fire的英式发音音标为：['faɪə(r)]fire的美式发音音标为：[faɪr]...

first and foremost的音标：first and foremost的英式发音音标为：[fə:st ænd 'fɔ:məust]first and foremost的美式发音音标为：[fɚst ənd 'fɔrˌmost]...

firebrand的近义词/同义词有：lighter, instigator, troublemaker, rabble-rouser, agitator, provoker。n.firebrand的近义词（放火者）：lighter。firebrand的近义词（煽动变乱者）：instigator, troublemaker, rabble-rouser, agitator, provoker。...

We all fear disability or infirmity.我们都害怕伤残或体弱。Bad temper is his worst infirmity.坏脾气是他最大的弱点.Old age and infirmity had begun to catch up with him.他开始显出年老体衰的样子了....

bonfire的复数形式为：bonfires...

gunfire的音标：gunfire的英式发音音标为：['gʌnfaɪə(r)]gunfire的美式发音音标为：['ɡʌnˌfaɪr]...

The front door is locked and all the windows are firmly shut.前门锁上了，所有窗户都关严了。"The age of corporatism must be put firmly behind us," he proclaimed.“必须坚决让社团主义时代成为过去，”他宣布道。Forensic evidence points the finger of suspicion fir...

He was fired from his job after roughing up a colleague.他因为对一位同事动粗而被开除了。He was hauled before the managing director and fired.他被叫去见总裁，然后就被解雇了。The gun was fired and Beaton was wounded a second time.枪响了，比顿再次受伤。...

fire station的音标：fire station的英式发音音标为：['faiə 'steiʃən]fire station的美式发音音标为：[faɪr 'steʃən]...

放火烧， 点着了…，激起，燃点...

Disconnect the body ground at the firewall.断开在隔火壁上的车体接地.For Advanced Users - Adaptive Firewall Rules.对于高级用户 - 有适用的规则.Then the firewall to be cautious to the outer network to the inner.因为它们基于下述假设:内部网是安全的,所有威胁来自网外....

confirm的反义词有：deny, disprove, contradict, contradict, deny, disprove。vt.confirm的反义词（证实;确认）：deny, disprove, contradict。confirm的反义词（其他释义）：contradict, deny, disprove。...

fire的近义词/同义词有：discharge, blast, shoot, arouse, stir, agitate, inflame, provoke, excite, heat, kindle, ignite, lay, off, discharge, expel, release, dismiss, agitate, dismiss, trigger, provoke, awaken, roast, fury, feeling...

affirm的现在完成时为：affirmed...

affirmation的反义词有：negation, denial, denial, negation。n.affirmation的反义词（断言;主张;确认）：negation, denial。affirmation的反义词（其他释义）：denial, negation。...

firm的比较级为：firmer...

firstfruits的音标：firstfruits的英式发音音标为：[fɜ:stf'ru:ts]firstfruits的美式发音音标为：[fɜstf'ruts]...

Firs,spruces and pines are conifers.冷杉、云杉和松树都是针叶树。Her firs big break came alongside Jane Russell in Gentlemen Preferred Blondes.她的冷杉很大的突破与简·里先生来金发碧眼的首选.Firs, spruces and pines are conifers.冷杉 、 云杉和松树都是针叶树.Pines, firs, an...

backfire的现在完成时为：backfired...

fire的复数形式为：fires...

n.甲烷，沼气...

fire的现在进行时为：firing...

The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt.现代猫的直系原种是古埃及的卡菲尔猫。Boil the thin coconut milk with lemon grass , kaffir leaves, shallot and galanga.把椰浆煮滚,加入蓝姜,柠檬叶, 香茅和小葱头....

n.火把，燃烧的木柴，放火者，煽动叛乱者...