1629.fifth(形)第五的
I stroll down Fifth Avenue.
我漫步在第五大道上。

1630.fifty(形)五十的
I have fifty things to tell you.
我有許多話要對你說。

1631.flight(動)打架、與……斗爭
不規(guī)則變化fought, fought
You may have to fight people who cheat with their own weapons.
你可能得用騙子的手段來對付騙子。

1632.fighter(名)戰(zhàn)士；戰(zhàn)斗機(jī)
Now all the fighter planes are all armed with cannon.
現(xiàn)在所有的戰(zhàn)斗機(jī)都裝備了機(jī)關(guān)炮。

1633.final(形)最后的
The headmaster has the final say.
校長有最終決定權(quán)。

1634.finally(副)最后；完全地
Their dispute has not finally settled yet.
他們之間的爭端尚未徹底解決。

1635.find(動)發(fā)現(xiàn)、找到
不規(guī)則變化found, found
Please find out what time the delegation will come.
請查一查代表團(tuán)什么時候來。

1636.finding(名)發(fā)現(xiàn)；調(diào)查結(jié)果
Surveys conducted in other countries reported similar findings..
在其他國家進(jìn)行的調(diào)查也報告說有類似的結(jié)果。

1637.fine(動)處……以罰金(形)美好的；健康的(名)罰金
(動):They fined him heavily for breaking the speed limit.
他因超速而被他們重罰。
(形):I am fine.
我很好。
(名):The fine is 300 dollars.
罰金是300元。

1638.fineness(名)精美、細(xì)致
The fineness and softness of the dress caught her attention.
這件裙子的精致和柔軟引起了她的注意。

1639.finger(名)手指
His fingers are all thumbs.
他笨手笨腳。

1640.fingernail(名)指甲
It takes about 150days to grow out a full length fingernail.
大約150天的時間就可以長一個完整的指甲出來。

1641.fingerprint(名)指紋
About this robbery, the police have only one fingerprint to hang onto.
關(guān)于這起搶劫案，警員唯一能憑借的就是一枚指紋。

1642.finish(動)結(jié)束
后接動名詞
When does he finish his callege course?
他何時大學(xué)畢業(yè)？

1643.fire(名)火
He who plays with fire gets burned.
玩火者必自焚。

1644.first(形)第一的
If you send your letter first class, your parents will receive it tomorrow afternoon.
要是你按第一類郵件寄，你的父母明天下午就能收到了。

1645.fish(名)魚類(動)釣魚
(名):All is fish that comes to his net.
來者不拒。
(動):Let's go fishing.
我們一起去釣魚吧。

1646.fisherman(名)漁夫
The fisherman's float bobbed on the waves.
漁夫釣魚線上的浮標(biāo)隨著波浪上下跳動。

1647.fishery(名)漁業(yè)；漁場
Steady progress was made in animal husbandry and fishery industry.
畜牧業(yè)和漁業(yè)生產(chǎn)穩(wěn)定發(fā)展。

1648.fishing(名)釣魚
Fishing is my favorite sport.
釣魚是我特別喜愛的一項運(yùn)動。

1649.fit(形)適合的
反義詞unfit
The food was not fit for human consumption.
這種食物不適宜人食用。

1650.fitting(形)適合的
It is fitting that you should return his call.
回他電話是很適當(dāng)?shù)摹?/p>

1651.five(形)五
Five cubed is one hundred and twenty-five.
5的立方等于125。

1652.flight(名)航程
They met on a flight to Australia.
他們在飛往澳大利亞的航班上相遇。

1653.flood(名)水災(zāi)、洪水
In 1975, the floods in that area made 233,000 people homeless.
1975年該地區(qū)的洪水使得233.000人無家可歸。

1654.floor(名)地板
There's broken glass on the floor.
地上有玻璃碎片。

1655.flower(動)開花(名)花朵
(動):This plant flowers in late summer.
這種植物在夏末開花。
(名):Bees gather nectar from flowers.
蜜蜂采集花蜜。

1666.flowerbed(名)花床
He put his great foot on the flowerbed.
他的大腳踩在花床上。

1657.flowerpot(名)花盆
I'm trying to put the flowerpot on the windowsill.
我想把這個花盆放到窗臺上。

1658.flu(名)流行性感冒
influenza的縮寫
Lung fever develops from flu.
肺炎是由流行性感冒引起的。

1659.fly(動)飛行(名)蒼蠅
不規(guī)則變化flew,flown
(動):This bird has a broken wing and can't fly.
小鳥的一只翅膀斷了，飛不起來了。
(名):Can you see the flies here?
你看到蒼蠅了嗎？

1660.fog(名)霧氣
Bad fogs are common in November.
十一月多霧的日子很常見。

1661.foggy(形)多霧的
Foggy weather has made driving conditions very dangerous.
霧天開車很危險。

1662.follow(動)跟隨
Pain is forgotten where gain follows.
一朝得了利，痛苦便忘記。