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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 ]

Thanks to the dolphins, the sardines have
come within the diving range of the gannets

Hundreds of white arrows shoot
into the sea,

leaving long trails
of bubbles behind each dive

Next to join the frenzy are the sharks

Sharks get very excited
when dolphins are around

That may be because
they can feed particularly...

well once the dolphins have driven

the sardines into more compact
groups near the surface

As the frenzy continues walls of
bubbles drift upwards

They are being released by the dolphins,
working together in teams

They use the bubbles to corral the
sardines into ever tighter groups

The sardines seldom cross the wall of
bubbles and crowd closer together

Bubble netting in this way enables the
dolphins to grab every last trapped sardine

Just when the feasting
seems to be almost over,

a Bryde whale arrives

The survivors head on northwards,

and the caravan of predators follows them

Nutrients can also be brought up

- though less predictably

- - by rough weather

Particularly near the poles,

huge storms stir the depths and

enrich the surface waters and here,

in the South Atlantic,
the seas are the roughest on the planet

And very rich seas they are too, for here,

the cold Falklands current from the South

meets the warm Brazil
current from the North

and at their junction
there is food in abundance

These Black-browed
albatross are duck-diving

for krill that has been driven up
to the surface

Like all albatross,

Black-brows are wanderers
across the face of the open ocean

A feeding assembly on this scale
is a rare sight

Most of the time,

the birds of the open sea
are widely dispersed

But these feeding grounds are close
to an albatross breeding colony

- and a very special one

This is Steeple Jason, a remote island
in the far west of the Falklands

lt has the largest albatross
colony in the world

There are almost half a million
albatross here

an astonishing demonstration of

how fertile the ocean can be

and how much food it can give even to
creatures that do not actually live in it

Nutrients by themselves are not enough to
generate these vast assemblies.

The heat and light
that the sun brings everyday

is also essential for the growth of
the microscopic floating plants

- the phytoplankton

And it the phytoplankton

that is the basis of all life in the ocean


知识点

重点词汇
dive [daɪv] n. 潜水；跳水；俯冲；扑 vi. 潜水；跳水；俯冲；急剧下降 n. (Dive)人名；(法)迪夫 {gk cet4 cet6 ky toefl :5121}

diving [ˈdaɪvɪŋ] n. 跳水，潜水 adj. 跳水的，潜水的 v. 跳水（dive的现在分词）；潜水 { :5121}

abundance [əˈbʌndəns] n. 充裕，丰富 {cet6 ky toefl ielts gre :5425}

jason [ˈdʒeɪsən] n. 詹森（男子名） { :5507}

feasting [ ] v. 享乐，请客（feast的现在分词）；参加宴会 { :5626}

dispersed [dɪ'spɜ:st] v. 分散；传播（disperse的过去分词） adj. 散布的；被分散的；被驱散的 { :5981}

astonishing [əˈstɒnɪʃɪŋ] adj. 惊人的；令人惊讶的 v. 使…惊讶；使…诧异（astonish的ing形式） {toefl :5994}

enrich [ɪnˈrɪtʃ] vt. 使充实；使肥沃；使富足 n. (Enrich)人名；(西)恩里奇 {cet6 ky toefl ielts :6879}

frenzy [ˈfrenzi] n. 狂暴；狂怒；暴怒 vt. 使发狂；使狂怒 {toefl gre :7279}

fertile [ˈfɜ:taɪl] adj. 富饶的，肥沃的；能生育的 {cet4 cet6 ky toefl ielts gre :7458}

Falklands [ ] 福克兰群岛 { :8999}

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

microscopic [ˌmaɪkrəˈskɒpɪk] adj. 微观的；用显微镜可见的 {cet6 toefl gre :9581}

predictably [prɪˌdɪktəblɪ] adv. 可预言地 { :11345}

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


难点词汇
corral [kəˈrɑ:l] n. 畜栏；环形车阵 n. (Corral)人名；(法、西、葡)科拉尔 vt. 把…关进畜栏；捕捉；把…布成车阵 {gre :14839}

sardines [sɑ:ˈdi:nz] n. 沙丁鱼（sardine的复数形式）；沙丁油鱼 { :15458}

sardine [ˌsɑ:ˈdi:n] n. 沙丁鱼；庸碌无能的人 vt. 使拥挤不堪 {cet6 :15458}

wanderers [ˈwɔndərəz] n. 游荡、漫游的人，各处走动的动物( wanderer的名词复数 ) { :15481}

steeple [ˈsti:pl] n. 尖塔；尖顶 vt. 把…建成尖塔 {gre :17934}

albatross [ˈælbətrɒs] n. [鸟] 信天翁；沉重负担 { :20677}

phytoplankton [faɪtəʊ'plæŋktən] n. [植] 浮游植物（群落） { :21785}

gannets [ˈɡænits] n. 塘鹅( gannet的名词复数 ) { :28133}

krill [krɪl] n. [无脊椎] 磷虾 n. (Krill)人名；(英、德)克里尔 { :32079}


复习词汇
bubbles [ˈbʌblz] n. 泡沫；气泡（bubble的复数） v. 沸腾；冒泡；发出气泡声（bubble的第三人称单数形式） { :4104}

dolphins ['dɒlfɪns] n. [脊椎] 海豚；[水运] 系缆柱（dolphin的复数） { :4232}


生僻词
bryde [ ] [人名] 布赖德


词组
Brazil Current [ ] 巴西海流

Bryde Whale [ ] 《英文msh词典》Bryde Whale [入口词] Bryde Whale [主题词] Whales [英文释义] Large marine mammals of the order Cetacea. In the past,they were commercially valued for whale oil,for their flesh as human food and in animal feed and fertilizer,and for baleen. The sperm whale produces AMBERGRIS,an intestinal secretion use

compact group [kəmˈpækt ɡru:p] [网络] 紧群；紧致群；致密群

in abundance [ ] adv. 充足 [网络] 丰富；大量；丰富的

the dolphin [ ] [网络] 海豚；海豚号

the feast [ ] [网络] 盛宴；应邀赴宴的宾客；宴席



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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