9196.naive(形)輕信的；天真的、幼稚的
同義詞innocent
Modern readers whould find such naive solutions totally unacceptable.
現在的讀者們全然不能接受這樣天真的解決辦法。

9197.nature(名)天性、性質、本質
不可數
The nature of iron differs greatly from that of wood.
鐵與木的性質有很大區別。

9198.navigate(動)航行于；駕駛
同義詞steer
The large ship could not navigate the river．
那艘大輪船不能在河里航行。

9199.negligible(形)可以忽略的、無關緊要的；微不足道的
I don't see any grounds for you to crow your heads off like that when the achievement in your studies is negligible.
我認為你在學習上取得的進步是微不足道的，沒有任何理由值得這樣大吹大擂。

9200.negotiate(動)談判、協商
They have signaled their willingness to negotiate．
他們已經表示他們愿意談判。

9201.neighborhood(名)鄰近地區
I'm really familiar with this neighborhood．
我對這一帶熟得很。

9202.network(名)廣播網、電視網；廣播（或電視）聯播公司
The President's speech was broadcast on a national television network.
總統演說由全國電視網聯播。

9203.newsreader(名)新聞報道員
"I must apologize for this frog in my throat." a BBC newsreader said.
“很抱歉，我聲音有點沙啞?！庇鴱V播公司的新聞播音員說。

9204.newsworthy(形)有報導價值的
This is a photography of newsworthy events.
這是有新聞價值的攝影事件報導。

9205.nominate(動)提名
The President nominated him Ambassador to Russia．
總統提名他擔任駐俄羅斯大使。

9206.norm(名)基準、規范
The output from this factory is well above the norm for the industry.
這個廠的產量遠遠高于同行業的正常標準。

9207.notorious(形)聲明狼藉的、惡名昭彰的
同義詞infamous
He changed his name in order to avoid confusion with the notorious outlaw.
他改變他的名字為了避免與聲名狼籍的歹徒相互混淆。

9208.nurture(名)養育；環境因素
They debated whether nature or nurture is more important.
他們為是天性還是后天環境較重要而爭論。

9209.nutrient(名)營養物、滋養物
This soil contains valuable nutrients．
這種土壤含有寶貴的養分。

9210.nutrition(名)營養；營養學
不可數
Because of his poor nutrition, he has grown weaker and weaker.
他因為營養不良，身體越來越虛弱了。

9211.obese(形)肥胖的、過胖的
An averagely obese person's lifespan is shortened by around nine years while a severely obese person by many more.
一個中等肥胖者的壽命比普通人約短9年，而一嚴重肥胖者受到的影響更大。

9212.oblivious(形)不注意的；健忘的
They were oblivious to what was going on around them.
他們沒有注意到周圍發生的事。

9213.obscure(形)模糊的、難解的
同義詞blurred
Is the meaning still obscure to you?
你覺得意思仍然不清楚嗎？

9214.obsolete(形)廢棄的；過時的
The horse-drawn plough is now obsolele in most European cuntries．
馬拉的犁在歐洲多數國家均已不再使用了。

9215.obstinate(形)頑強的、不屈服的
Do not worry about his obstinate refusal to cooperate; He'll come to himself before long.
別擔心他現在不肯合作，很快他就會恢復理智的。

9216.ccupation(名)工作、職業
同義詞vocation
The secretary asked what my occupation was．
書記問我的職業是什么。

9217.off(形)狀況不好的；食物腐敗的
The tea has gone off.
這茶已經變質了。

9218.official(形)官方的；公務上的
The President's official include being Commander in Chief.
總統的職責包括擔任總司令。

9219.offshore(形)近海的：離岸的
They piped oil into storage tanks from ships anchored offshore．
他們從?？吭诤蠛Ｌ幍拇弦怨艿垒斔陀陀谫A藏箱內。

9220.ominous(形)不祥的、不吉利的
同義詞sinister
It's an ominous warming to break something.
打破東西是個不祥的預兆。

9221.opera(名)歌劇；歌劇院
The Ovate Garden Opera plays in the Royal Opera House．
卡文特花園歌劇團在皇家歌劇院演出。

9222.operator(名)接線生
Operator picks up the line from Tom.
接線生接起湯姆的電話。

9223.optimistic(形)樂觀的
反義詞pessimistic
Judy is very optimistic that things are taking a good turn．
茱蒂很樂觀，因為情況正在好轉。

9224.orchard(名)果樹園、果樹林
I caught the boy stealing fruit from our orchard.
我逮到了那個在我們果園里偷水果的男孩。

9225.orchestra(名)管弦樂隊
The orchestra director has made preparation.
管弦樂隊指揮巳做好了準備。

9226.organ(名)器官
The heart is a highly contractile organ.
心臟是具有高度收縮性的器官。

9227.organism(名)生物、有機體
The organism develops from a zygote.
生物是由受精卵發育而威的。