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04 1




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████    重点词汇
████    难点词汇
████    生僻词
████    词组 & 惯用语

[学习本文需要基础词汇量:5,000 ]
[本次分析采用基础词汇量:5,000 ]

The frozen seas are worlds
unto themselves

Beneath their ceiling of ice
they have an eerie,

almost magical stillness, cut off
from the storms that rage above

ln the winter, the feeble slanting
rays of the sun bring little warmth

and the temperature seldom rises
above minus fifty degrees Centigrade

For much of the year,
it is dark and cripplingly cold

Yet, there is life here
- at both ends of the earth...

the Arctic and the Antarctic

For most animals, whether they
live in or out of water,

the winters, when much of the sea
is frozen, bring the greatest challenge

The Northern hemisphere

lt's February, and as the Earth
tilts on its axis,

the sun's rays creep
slowly northwards

and the Arctic emerges
from its harsh winter

The Arctic is a frozen ocean
surrounded by continents

- and when the surface of the sea
between the continents freezes

from shore to shore, land predators
walk out onto it - to hunt

lt's early March and the sea
is still covered with ice

But there are patches of open water
- polynyas - that never freeze over

Here, where tidal currents
are squeezed between islands,

the water movement is so strong
that ice cannot form

Walruses spend the
winter in polynyas

Here they have permanent
access to the air,

but they can also retreat to
the sea to shelter to hunt

Other sea mammals overwinter
in the polynyas as well

- in this one, a young bowhead whale

Here the current is really fast
and the shifting ice is dangerous

This whale became trapped when
ice encircled it last autumn

There is no food here, but a whale
must breathe and the only place

that it can do so, for miles around,
is in this tiny hole

lt's living entirely on its reserves
of fat, but now they are dangerously low

lt will be some months yet,
before it can escape

Elsewhere, other whales
have also been trapped

These are belugas

Their tiny hole in the ice
has been kept open,

not by currents but by
the belugas' continuous movements

as they rise to breathe

Open water is now some
twenty miles away

lt will be two months yet
before the ice melts

The belugas are extremely thin
- and most of them are horribly scarred

But their wounds were not
inflicted by the ice

A whale would be a huge prize for
any meat-eating hunter and these belugas,

trapped by the ice,
are within reach of polar bears

Well aware of the danger, the belugas
stay submerged as long as they can


知识点

重点词汇
scarred ['ska:d] adj. 伤痕累累,有疤痕的;瘢痕性的 { :5026}

tilts [tilts] n. (意欲赢得某物或战胜某人的)企图,尝试( tilt的名词复数 ) v. (使)倾斜( tilt的第三人称单数 ) { :5070}

mammals ['mæml] n. [古生] 哺乳类;哺乳类动物(mammal的复数);哺乳纲 { :5214}

inflicted [inˈfliktid] 把…强加给 使承受(inflict的过去式和过去分词) { :5303}

magical [ˈmædʒɪkl] adj. 魔术的;有魔力的 {toefl :5584}

axis [ˈæksɪs] n. 轴;轴线;轴心国 {cet4 cet6 ky toefl ielts gre :5598}

hemisphere [ˈhemɪsfɪə(r)] n. 半球 {cet6 ky toefl ielts gre :5852}

arctic ['ɑ:ktɪk] n. 北极圈;御寒防水套鞋 n. (Arctic)人名;(英)阿克蒂克 adj. 北极的;极寒的 {gk cet6 toefl ielts gre :6116}

polar [ˈpəʊlə(r)] n. 极面;极线 adj. 极地的;两极的;正好相反的 n. (Polar)人名;(德、西)波拉尔 {cet6 ky toefl ielts gre :6795}

dangerously ['deɪndʒərəslɪ] adv. 危险地;不安全 { :7676}

eerie [ˈɪəri] adj. 可怕的;怪异的 {gre :8199}

tidal [ˈtaɪdl] adj. 潮汐的;潮的,有关潮水的;定时涨落的 n. (Tidal)人名;(瑞典)蒂达尔 { :8579}

Lt [ ] abbr. 书信电报(letter message);数据处理(Language Translation) { :9242}


难点词汇
feeble [ˈfi:bl] adj. 微弱的,无力的;虚弱的;薄弱的 {cet4 cet6 ky toefl ielts gre :9622}

unto [ˈʌntə] prep. 到,直到;向(等于to) n. (Unto)人名;(芬)温托 { :9647}

encircled [enˈsɜ:kəld] 环绕的 { :10550}

stillness [ˈstɪlnəs] n. 静止;沉静 {cet6 :10585}

antarctic [ænt'ɑ:ktik] adj.南极的, 南极地带的 {gk cet6 ielts gre :10763}

submerged [səb'mɜ:dʒd] adj. 水下的,在水中的 v. 潜入水中(submerge的过去分词);使陷入 {toefl :11140}

northwards [ˈnɔ:θwədz] adv. 向北 向北的 {gk cet6 :11689}

horribly ['hɒrəblɪ] adv. 可怕地;非常地 { :11702}

slanting [ˈslɑ:ntɪŋ] v. 使倾斜(slant的ing形式) adj. 倾斜的 { :13370}

belugas [biˈlu:ɡəz] n. 鲟( beluga的名词复数 ); 鲟子酱; 白鲸 { :14304}

overwinter [ˌəʊvəˈwɪntə(r)] vi. 过冬 vt. 过冬 { :26854}

centigrade [ˈsentɪgreɪd] adj. 摄氏的;[仪] 摄氏温度的;百分度的 {gk cet4 cet6 ky toefl gre :27004}

ln [ ] abbr. 自然对数(Napierian Logarithm);液态氮(Liquid Nitrogen) { :28828}


复习词汇
whale [weɪl] n. 鲸;巨大的东西 vt. 猛揍;使惨败 vi. 捕鲸 n. (Whale)人名;(英)惠尔 {zk gk cet4 cet6 ky toefl :4232}


生僻词
bowhead ['bəʊhed] n. 一种头口特大的鲸鱼

cripplingly [ ] adv. cripple的变形

polynyas [ ] (polynya 的复数) n.[地]冰间湖,冰穴(尤指北极海面的未结冰处)

walruses [ˈwɔ:lrəsiz] n. 海象( walrus的名词复数 )


词组
a whale [ ] [网络] 鲸鱼号;一条鲸鱼;巨鲸

bowhead whale [ˈbəuhed hweil] [网络] 弓头鲸;露脊鲸;北极的弓头鲸

degree centigrade [diˈɡri: ˈsentiɡreid] un. 摄氏度数 [网络] 摄氏温度度数;百分度;百分度参考例句

degrees centigrade [ ] un. 摄氏度数 [网络] 温度是摄氏五度;摄氏度的温度;摄氏温度计

earth tilt [ ] 地倾斜

northern hemisphere [ˈnɔ:ðən ˈhemiˌsfiə] na. 北半球 [网络] 北半球北半球;南半球;北半球英文叫

polar bear [ˈpəulə bɛə] n. 北极熊;白熊 [网络] 冬泳者;极地熊;北极熊篇

polar bears [ ] na. 北极熊 [网络] 北极熊的采血点;爱上北极熊;梁伟灏

retreat to [ ] v. 逃避到 [网络] 撤退到某地

sea mammal [ ] un. 海洋哺乳动物

the antarctic [æn'tɑ:ktɪk] n. 南极地区 [网络] 南极洲;南极区;北极地区

the Arctic [ ] [网络] 北极;北极地区;北极圈

the Continent [ ] un. 欧洲大陆 [网络] 穿越大陆的马戏团男孩;指欧洲大陆;旧世界

the northern hemisphere [ ] [网络] 北半球

tidal current [ ] na. 潮流 [网络] 潮汐流;潮流海流;本局有无潮流

tidal currents [ ] n. 潮流 [网络] 潮汐流



单词释义末尾数字为词频顺序
zk/中考 gk/中考 ky/考研 cet4/四级 cet6/六级 ielts/雅思 toefl/托福 gre/GRE
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