04 5
文本
████ 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：
[本次分析采用基础词汇量：
But even there,
the odd scratch is
They make daily
out to deeper water
Down at 20 metres, they root
around in the ,
using their sensitive
to search out
Once they find ,
they suck its flesh from the shell
with their powerful,
mouths
can feed for about
five minutes at this depth
before they have to return
to the surface to breathe
Elsewhere in , are
gathering in their thousands
They in just
a few large
of all ages
and sizes come here
There are even young
Some are so young - born only a week or
so ago - that they need help
They swim on their mothers' backs so
that they can breathe more easily
As moves up the ,
the follow,
swimming into surprisingly
Like ,
they also need to
A combination of warm fresh water
and rubbing
against the gravel does the trick
They remain here for days,
or even weeks,
so it's likely that
is also important to them
After , they head back
out to sea to feed
lt's now autumn and the sea
begins to freeze over, once again
Thin sheets of ice form at
the surface and ,
layer upon layer, gradually
creating an barrier
By late November,
is sealed once again by ice
The lights of the play
in the winter sky
At the other end of the planet
- in
- there is the southern
is now emerging
from winter
This is the coldest,
place in the world
Temperatures are still
at a minus 50
and the returning sun has
virtually no warmth
Very few animals can survive
such extreme conditions
But can
Standing on the frozen sea, they endure
the full force of storms
知识点
重点词汇
hovering ['hɒvərɪŋ] n. 停悬；空中悬停 v. 徘徊（hover的ing形式）；盘旋 { :5041}
calves [kɑ:vz] n. 小牛；小腿；腓；呆子（calf的复数） n. (Calves)人名；(法)卡尔夫 { :5425}
sediment [ˈsedɪmənt] n. 沉积；沉淀物 {toefl ielts gre :5512}
vigorous [ˈvɪgərəs] adj. 有力的；精力充沛的 {cet4 cet6 ky toefl ielts gre :5561}
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}
excursions [iksˈkə:ʃənz] n. （尤指集体）远足( excursion的名词复数 ); 短途旅行; （短期的）涉足; 离题 { :6562}
muscular [ˈmʌskjələ(r)] adj. 肌肉的；肌肉发达的；强健的 {cet6 ky toefl ielts gre :6864}
estuary [ˈestʃuəri] n. 河口；江口 {gre :7154}
estuaries [ˈestʃu:ˌeri:z] n. （江河入海的）河口，河口湾( estuary的名词复数 ) { :7154}
irresistible [ˌɪrɪˈzɪstəbl] adj. 不可抵抗的；不能压制的；极为诱人的 {toefl :8738}
windiest [ ] adj. 有风的( windy的最高级 ); 受风吹的; 废话连篇; 心情紧张的 { :8867}
numbing [ˈnʌmɪŋ] adj. 使麻木的；使失去感觉的 v. 麻木；失去知觉（numb的ing形式） { :9317}
clam [klæm] n. 蛤；沉默寡言的人；钳子 vi. 捞蛤；保持沉默，闭嘴不言 n. (Clam)人名；(德、西)克拉姆；(法)克朗 {toefl gre :10109}
clams [klæmz] n. 蛤蚌；沉默寡言的人（clam的复数形式） { :10109}
penguins [ˈpeŋɡwinz] n. [鸟] 企鹅（penguin的复数） { :10209}
antarctic [ænt'ɑ:ktik] adj.南极的, 南极地带的 {gk cet6 ielts gre :10763}
bristles ['brɪsəlz] n. 猪鬃（bristle的复数形式） v. 毛发直立（bristle的三单形式） { :11066}
难点词汇
congregate [ˈkɒŋgrɪgeɪt] vi. 聚集 adj. 集合在一起的 vt. 聚集 {toefl gre :12537}
Antarctica [æn'tɑ:ktɪkə] n. 南极洲 {gk toefl :13217}
impenetrable [ɪmˈpenɪtrəbl] adj. 不能通过的；顽固的；费解的；不接纳的 {gre :13690}
belugas [biˈlu:ɡəz] n. 鲟( beluga的名词复数 ); 鲟子酱; 白鲸 { :14304}
socialising ['səʊʃəlaɪz] vt. 使社会化；使社会主义化 vi. 参加社交活动；发生社交往来（等于socialize） { :15327}
aurora [ɒ:'rɒ:rә] n. [地物] 极光；曙光 {toefl gre :18136}
moult [məʊlt] vi. 脱毛；换毛；蜕皮 vt. 脱毛；换毛 n. 脱毛；换毛 n. (Moult)人名；(英)莫尔特 { :26637}
moulting [məʊltɪŋ] v. 换羽，脱毛( moult的现在分词 ); <喻>去掉（旧习惯、观点等） { :26637}
生僻词
walruses [ˈwɔ:lrəsiz] n. 海象( walrus的名词复数 )
词组
a clam [ ] [网络] 蚌
Arctic Ocean [ ] n. 北冰洋 [网络] 北极海；北极洋；北冰洋介绍
emperor penguin [ˈempərə ˈpeŋɡwin] [网络] 皇帝企鹅；帝王企鹅；皇企鹅
emperor penguins [ ] [网络] 帝王企鹅；帝企鹅；皇帝企鹅
pile up [pail ʌp] na. 堆积；积聚；(汽车等)挤在一起；(使)(船)搁浅 [网络] 累积；堆起来；积累
shallow water [ ] un. 浅水 [网络] 浅水区；浅水区域；浅水湿地
soft-shelled clam [ ] [网络] 软壳贝
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 Arctic Ocean [ ] na. 北冰洋 [网络] 北极冰海；北冰洋洲；北极地区等排水到北冰洋
the tide [ðə taid] [网络] 潮水；潮汐；潮来潮往
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
* 词汇量测试建议用 testyourvocab.com