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

[学习本文需要基础词汇量:4,000 ]
[本次分析采用基础词汇量:5,000 ]

ln all the seas of the world the warm
waters of the tropics contain the richest

and the most colourful communities

Coral reefs

They may seem like
underwater paradise,

but they are perpetual battle
grounds... for space

Even the corals have
to fight for it

ln this crowded, frenetic community every
individual has to find its own place,

its own way of surviving

But none of these creatures would
be here if it were not for the coral

A coral larva drifts in the open sea
floating in a soup of young reef animals

lf just one of these coral larvae
settles in a suitable spot

and survives a new reef will be founded

ln just a few days the larva
changes form and becomes a polyp,

similar to a sea anemone

ldentical copies bud off and
gradually a colony develops

Each polyp surrounds itself
with a hard skeleton

and from this solid base
begins to grow

lt increases in length by an
impressive fifteen centimetres a year

This branching coral is only two years old
- a mature reef can be thousands

Corals provide the foundations on
which the entire reef community relies

Some organisms, like the Christmas Tree
Worms actually live within the coral

Others climb out, away from the reef,
to filter their food from the water

As the community grows intimate
relationships are formed

and different creatures become
increasingly dependent on one another

Even animals that spend much
of their time

travelling in the open ocean
return to the reef for a clean

Corals reefs can be home
to astounding numbers of fish

Here swim the smallest
and the largest fish in the sea

Whale sharks are only visitors

When currents bring nutrient-rich water up
from the deep, they come here to feed

All these animals are here
because of the coral

This extraordinary complex maze
is built layer upon layer

by millions and millions of
individual animals - polyps

Each polyp's flesh is supported
by a limestone skeleton


知识点

重点词汇
colourful [ˈkʌləfl] adj. 鲜艳的;生动的;色彩丰富的;富有趣味的 { :5311}

paradise [ˈpærədaɪs] n. 天堂 至福境地 {cet4 cet6 ielts :5567}

coral [ˈkɒrəl] n. 珊瑚;珊瑚虫 adj. 珊瑚的;珊瑚色的 n. (Coral)人名;(英、法、西、葡)科拉尔 {gk toefl :5793}

corals [ˈkɔrəlz] n. 珊瑚( coral的名词复数 ); 珊瑚虫 { :5793}

skeleton [ˈskelɪtn] n. 骨架,骨骼;纲要;骨瘦如柴的人 adj. 骨骼的;骨瘦如柴的;概略的 {cet6 ky toefl ielts gre :5954}

limestone [ˈlaɪmstəʊn] n. [岩] 石灰岩 {cet6 toefl gre :6225}

reef [ri:f] n. 暗礁;[地质] 矿脉;收帆 vt. 收帆;缩帆 vi. 缩帆;收帆 {cet6 toefl :6352}

reefs [ri:fs] 礁体 { :6352}

bud [bʌd] n. 芽,萌芽;蓓蕾 vt. 使发芽 vi. 发芽,萌芽 n. (Bud)人名;(英)巴德;(中)布特(蒙语·汉语拼音);(罗、匈)布德 {cet4 cet6 ky toefl ielts gre :6466}

larvae [ˈlɑ:vi:] n. 幼虫;幼体(larva的复数形式) {toefl :7470}

larva [ˈlɑ:və] n. [水产] 幼体,[昆] 幼虫 n. (Larva)人名;(芬、捷)拉尔瓦 {toefl gre :7470}

maze [meɪz] n. 迷宫;迷惑;糊涂 vt. 迷失;使混乱;使困惑 n. (Maze)人名;(英)梅兹;(法)马兹 {toefl gre :7688}

perpetual [pəˈpetʃuəl] adj. 永久的;不断的;四季开花的;无期限的 {cet6 ky ielts gre :8450}

centimetres [ˈsentiˌmi:təz] n. 厘米( centimetre的名词复数 ) { :8893}

underwater [ˌʌndəˈwɔ:tə(r)] n. 水下 adj. 在水中的;水面下的 adv. 在水下 {toefl :9111}

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


难点词汇
astounding [əˈstaʊndɪŋ] adj. 令人震惊的;令人惊骇的 {toefl :12802}

tropics ['trɒpɪks] n. 热带地区 {toefl :13268}

polyp [ˈpɒlɪp] n. 息肉;珊瑚虫;水螅虫 { :13529}

polyps [ˈpɔlips] n. 珊瑚虫(水螅型),息肉( polyp的名词复数 ) { :13529}

frenetic [frəˈnetɪk] n. 疯子;狂人 adj. 狂热的;发狂的 {toefl gre :16374}

anemone [əˈneməni] n. 银莲花;银莲花属;海葵(sea anemone) { :16775}

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

LF [ ] [计] 换行, 低频 [医] 絮凝单位, 絮凝限度 { :30107}


词组
bud off [ ] un. 发芽 [网络] 芽出

coral reef [ˈkɔrəl ri:f] n. 【地】珊瑚礁 [网络] 海底珊瑚礁;美国珊瑚礁;礁墙

coral reefs [ ] n. 【地】珊瑚礁 [网络] 珊瑚礁生态系;国际珊瑚礁期刊;岌岌可危的珊瑚礁

drift in [ ] v. 沉浮于 [网络] 被水或风吹进;发音播放;浮动插入

intimate relationship [ ] [网络] 亲密的关系;亲密关系;亲密关系的发展

intimate relationships [ ] [网络] 亲密关系;爱情心理学

sea anemone [si: əˈneməni] n. 海葵 [网络] 海葵类;海洋生物海葵;海葵的字当中

the tropic [ ] [网络] 热带区

whale shark [hweil ʃɑ:k] na. 【鱼】鲸鲨 [网络] 豆腐鲨的鲸鲨;鲸鲨共游;鲸鲨秀

whale sharks [ ] [网络] 杀人鲸;鲸鲛



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