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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：
Through the season of
the shores for hundreds of miles,
from in the South
all the way to in the north
After a few days this
comes to an end and the head
back out to deeper waters,
leaving behind them
eggs ...
on every rock and strand of
They time their
so that two weeks later,
when these eggs start ,
the annual
will have reached
its height and the new-born
will have plenty to eat
But ,
all these eggs provide food
for armies of different animals both below
and above the surface
Millions of birds arrive to collect
a share of the
Some of it is easily gathered,
for millions of eggs have been
washed up onto the shore
This energy is particularly
valuable birds
These are on their way
to their breeding grounds in
and they have to come down to
Stranded eggs
are just what they need
collect the eggs
just below the surface of the water
Further out in the bay,
huge of ducks have gathered
They are mostly
- ducks - that can feed off
the bottom several metres down
There are such huge quantities of eggs
that even such a big animal as a bear
finds it worthwhile to collect them
The of the
is a crucial event
in the lives of many animals
all along the coast
The whole event coincides
with the
and within just three short weeks
it all over
The leave
to continue their journey north
They will not come back until
the also return next year
As the herring finishes,
other are starting
to arrive just
They have followed the sun north
and they too are seeking the food
that is generated by
the of the
are feeding off it and these
whales are feeding on the ,
it from the surface
with the filter plates of
that hang from their
make one
of the longest migrations
undertaken by any
- a round trip of 1 2,000 miles or
so from their breeding grounds off Mexico
along the entire coast of North America
right up to
They travel close to the coast
with the males
and non-breeding females leading the way
The last to start are the cows
that have just given birth
They have to wait until
their new-born
are sufficiently big and strong to tackle
such an immense journey
Their progress is necessarily slow
The mothers must stay
alongside their young
and even a strong can only travel
at a couple of
They stick even closer to the shore
often within just 200 metres
.
They have learnt that
follow traditional routes
The killers have no trouble in
a and its devoted mother
Normally,
they continually call to one another,
but now they have fallen silent
The mother and her
have no idea that they have been targeted
Catching up with the
is the easy part for the killers
They have to
for they are only...
about half the size
of the grey whale mother
知识点
重点词汇
knots ['nɒts] n. 结；结头；要点（knot的复数） v. 打结；使纠结（knot的第三人称单数） { :5061}
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}
migrants ['maɪɡrənts] n. 移民；移居者；候鸟（migrant的复数形式） { :5190}
mammal [ˈmæml] n. [脊椎] 哺乳动物 {cet6 ky toefl ielts gre :5214}
cautious [ˈkɔ:ʃəs] adj. 谨慎的；十分小心的 {gk cet4 cet6 ky toefl ielts :5231}
flocks [f'lɒks] n. 短纤维，废毛铁；絮凝物，絮状沉淀 { :5337}
calf [kɑ:f] n. [解剖] 腓肠，小腿；小牛；小牛皮；(鲸等大哺乳动物的)幼崽 { :5425}
calves [kɑ:vz] n. 小牛；小腿；腓；呆子（calf的复数） n. (Calves)人名；(法)卡尔夫 { :5425}
vegetation [ˌvedʒəˈteɪʃn] n. 植被；植物，草木；呆板单调的生活 {cet6 ky toefl ielts :5829}
overtaking [ˌəʊvə'teɪkɪŋ] n. 超车；追越；赶上 v. 超过；压倒（overtake的ing形式） { :5931}
plastered [ˈplɑ:stəd] adj. 醉醺醺的；涂得厚厚的 v. 使平；涂以灰泥；粘贴；掩饰（plaster的过去分词形式） { :6048}
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}
spawning ['spɔ:nɪŋ] n. 产卵；增殖 v. 播种，产卵；大量生成（spawn的现在分词） { :6476}
migrating ['maɪɡreɪtɪŋ] v. 迁移；迁徙；移居（migrate的ing形式） { :6504}
bloom [blu:m] n. 花；青春；旺盛 vt. 使开花；使茂盛 vi. 开花；茂盛 n. (Bloom)人名；(瑞典、西)布洛姆；(英)布卢姆 {cet4 cet6 ky toefl ielts :6582}
sperm [spɜ:m] n. 精子；精液；鲸蜡油 { :6966}
fry [fraɪ] n. 鱼苗；油炸食物 vt. 油炸；油煎 vi. 油炸；油煎 n. (Fry)人名；(芬)弗吕；(英)弗赖伊；(德、英、法、西)弗里 {gk cet4 cet6 ky ielts :7089}
offshore [ˌɒfˈʃɔ:(r)] adj. 离岸的；[海洋] 近海的；吹向海面的 adv. 向海面，向海 {gk toefl ielts :7349}
hatch [hætʃ] n. 孵化；舱口 vt. 孵；策划 vi. 孵化 n. (Hatch)人名；(西)阿奇；(英)哈奇 {gk cet4 cet6 ky toefl ielts gre :7365}
surf [sɜ:f] vi. 作冲浪运动 vt. 在…冲浪 n. 海浪，拍岸浪 n. (Surf)人名；(英)瑟夫 { :7750}
gigantic [dʒaɪˈgæntɪk] adj. 巨大的，庞大的 {cet6 ky toefl ielts :7783}
skimming ['skɪmɪŋ] n. 撇取浮沫；浮渣 v. 撇去…的浮物（skim的ing形式） { :8515}
gulls ['ɡʌlz] n. [鸟] 鸥；气球假目标雷达反射器；笨人；易受骗之人（gull的复数形式） v. 诈欺，骗（gull的第三人称单数形式） { :9078}
bounty [ˈbaʊnti] n. 慷慨；丰富；奖励金；赠款 vt. 发给…奖金等；为…而发给赏金 vi. 以赏金等形式发放 {ielts :9150}
clog [klɒg] n. 障碍；木底鞋 v. 阻塞；障碍 {toefl gre :9458}
herring [ˈherɪŋ] n. 鲱 n. (Herring)人名；(英)赫林 { :9934}
Columbia [kə'lʌmbɪə] n. 哥伦比亚 { :10009}
encapsulated [enˈkæpsəˌleɪtid] adj. 密封的；包在荚膜内的 v. 压缩（encapsulate的过去分词）；封进内部；装入胶囊 { :11424}
migratory [ˈmaɪgrətri] adj. 迁移的；流浪的 {toefl ielts gre :12179}
Alaska [əˈlæskə] n. 阿拉斯加州 {ielts :12468}
难点词汇
refuel [ˌri:ˈfju:əl] vt. 补给燃料 vi. 重新得到燃料 { :15247}
curds ['kɜ:dz] n. 凝乳( curd的名词复数 ) { :17569}
plankton [ˈplæŋktən] n. 浮游生物（总称） {ielts gre :19300}
phytoplankton [faɪtəʊ'plæŋktən] n. [植] 浮游植物（群落） { :21785}
fertilised ['fə:tilaiz] vt. 使受精；施肥于；使肥沃 { :23467}
Bonaparte ['bәunәpɑ:t] 波拿巴(①姓氏, 法国科西嘉岛上的家族 ②Napoleon, 1769-1821, 法国皇帝, 1804-1815在位) { :25184}
krill [krɪl] n. [无脊椎] 磷虾 n. (Krill)人名；(英、德)克里尔 { :32079}
baleen [bə'li:n] n. 鲸须 { :45697}
复习词汇
whales [hweilz] n. 鲸鱼（whale的复数） v. 捕鲸（whale的第三人称单数形式） {ielts :4232}
生僻词
scoters [ ] (scoter 的复数) n. 黑海番鸭
surfbirds [ ] na. 【鸟】滨浪鹬 [网络] 千鸟
词组
Arctic Ocean [ ] n. 北冰洋 [网络] 北极海；北极洋；北冰洋介绍
be cautious [bi: ˈkɔ:ʃəs] [网络] 请慎重；谨慎一些；小心
British Columbia [ ] n. 不列颠哥伦比亚 [网络] 卑诗省；不列颠哥伦比亚省；英属哥伦比亚省
coincide with [ ] v. 与…一致 [网络] 与……相符；不谋而合；符合
fish fry [fiʃ frai] na. 鱼苗；炸鱼；吃炸鱼的野餐 [网络] 鱼秧子；油炸鱼；天都里香炸鱼
grey whale [ ] na. 【动】灰鲸 (Eschrichtius glancus) [网络] 与灰鲸亲密接触；小鲸鱼；鲸鱼都是灰鲸
in the meantime [ ] na. 在这期间 [网络] 与此同时；在此期间；其间
killer whale [ˈkɪlə hweil] n. 虎鲸；逆戟鲸；恶鲸；杀人鲸 [网络] 杀手鲸；倒戟鲸；虎鲸逆戟鲸
marine mammal [ ] un. 海洋哺乳动物 [网络] 海产哺乳动物；海洋哺乳类动物
migratory bird [ ] n. 候鸟 [网络] 侯鸟；迁移性鸟类；迁徙的鸟
migratory birds [ ] un. 候鸟类 [网络] 迁徙的鸟；流动鸟群；移栖性候鸟
plankton bloom [ ] un. 水华；浮游生物的大量繁殖 [网络] 浮游生物繁生
surf scoter [sə:f ˈskəutə] [网络] 斑头海番鸭；白冠花嘴冲浪水鸭；班头海番鸭
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
to hatch [ ] 孵化
to migrate [ ] [网络] 迁移；迁徙；移民
upper jaw [ ] un. 上颌 [网络] 上颚；颜面骨主要由上颚骨；颌骨
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