This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.
這說(shuō)明，經(jīng)過(guò)了多么漫長(zhǎng)的時(shí)間之后，我們才認(rèn)識(shí)到，有必要確保我們的孩子享有多少個(gè)世紀(jì)以來(lái)由‘少數(shù)幸運(yùn)者’所積累起來(lái)的知識(shí)。
新概念英語(yǔ)第四冊(cè) Lesson 33 Education

?? 句中詞匯解析

從本句中提取的重要詞匯

necessary ['n?s?s?ri] 詞頻1 詞根: necessar
adj. 必要的;強(qiáng)制的;必然的;不可避免的; n. 必需品;
?? necess必要 + ary 表示有...性質(zhì)的， → a.必要的；必然的
"Vitamin D is necessary to aid the absorption of calcium from food."
從食物中吸取鈣需靠維生素D的幫助。
近義：indispensable, inevitable, mandatory, needful, obligatory, obliged 反義：needless, pointless, profitless, purposeless, redundant, reiterative
knowledge ['nɑl?d?] 詞頻1 詞根: 知道
n. 了解，理解;知識(shí)（表示多方面的知識(shí)時(shí)有復(fù)數(shù)knowledges這一用法）;學(xué)科;見(jiàn)聞;
?? know知道+ledge框架 → 知識(shí)
"She has acquired a good knowledge of English."
她英語(yǔ)已經(jīng)學(xué)得很好。
近義：idea, learning, notion, background, sageness, sapience 反義：nescience, philistinism, unacquaintance, unawareness, unfamiliarity, benightedness
happy ['h?p?] 詞頻1
adj. 幸福的;快樂(lè)的;巧妙的;〈口〉有點(diǎn)醉意的;
?? happ機(jī)會(huì)，運(yùn)氣+y...的→有運(yùn)氣的→幸運(yùn)的；幸福的
"I am so happy to get munificent birthday presents from my friends."
我很高興跟我朋友收到大量的生日禮物.
近義：lively, cheerful, fluky, flukey, jaunty, jocular 反義：luckless, malcontent, mirthless, miserable, mournful, sad
long [l??] 詞頻1 詞根: /l?/
adj. 長(zhǎng)的;長(zhǎng)時(shí)間的;冗長(zhǎng)的，過(guò)長(zhǎng)的;長(zhǎng)音的; adv. 長(zhǎng)久地;始終;遙遠(yuǎn)地; n. 長(zhǎng)時(shí)間，長(zhǎng)時(shí)期;[語(yǔ)]長(zhǎng)音節(jié);（服裝的）長(zhǎng)尺寸;長(zhǎng)褲; vi. 渴望，極想;
?? 渴望見(jiàn)到很 長(zhǎng)的龍（long） 長(zhǎng)龍（拼音long)擺尾 網(wǎng)友：顧亮亮 補(bǔ)充：龍很長(zhǎng)
"How long will I be under the anaesthetic ?"
我會(huì)麻醉多長(zhǎng)時(shí)間？
近義：lengthened, lengthy, moderately, pretty, quite, rather 反義：little, minute, small, squat, slight
sure [??r] 詞頻1
adj. 確信的，確實(shí)的;有把握的;無(wú)疑的;一定的; adv. 當(dāng)然;確實(shí)地;無(wú)疑地;
"Make sure the shelf is aligned with the top of the cupboard."
務(wù)必使擱架與櫥柜頂端對(duì)齊。
近義：inarguable, incontestable, incontrovertible, indefectible, indisputable, indubitable 反義：hesitant, hesitative, imprecise, improbable, inconclusive, indecisive

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