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03 9




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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 ]

As the sea breeze picks up,

the shearwaters take to the air once more.

Out to sea, the dolphin have found prey....

They are driving a shoal of
small mackerel up towards the surface.

The shearwaters crowd the skies above,

following the dolphins' every turn.

The mackerel are still some metres down.

But when the baitfish
come sufficiently close,

the airborne division makes its move.

Far from being mere bystanders,

the shearwaters can now become
underwater predators themselves.

lncredibly they can dive down to
depths of several metres.

The hunting dolphin prevent the mackerel

from escaping downwards and
both predators gorge themselves.

Soon the diving birds outnumber the dolphin
and even drive them away from their meal.

But another squadron of predators
arrives to replace the dolphin.

Adult yellow-fin tuna.

These are giants - two metres long.

They are heading directly
for the bait ball.

Despite the arrival of the giant fish,

the shearwater continue to
press home their attack unfazed.

Eventually the tuna move on, leaving the
shearwaters to battle among themselves.

As long as a predatory fish or a dolphin

remains at the scene the
mackerel can't escape to safety.

But when the little skipjack tuna
start to move away,

gradually the bait ball begins to sink
in to the depths towards safety.

The shearwaters follow it down to the
very limit of their breath-holding ability

perhaps as deep as fifteen metres.

At last, even they are forced
to leave their quarry.

However good or bad
this summer's feeding may be

within three months winter will be

on its way and the temperature of these
waters will drop by a few degrees.

Then the ocean hunters will
abandon the Azores once more.

As ever, they will move on - searching for
another feeding opportunity,

the next pulse of life in the distant
reaches of the Open 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}

tuna [ˈtju:nə] n. 金枪鱼,鲔鱼 n. (Tuna)人名;(葡、匈、捷、土、塞)图纳 {cet6 :5993}

bait [beɪt] n. 饵;诱饵 vt. 引诱;在…中放诱饵;折磨 vi. 中途休息 n. (Bait)人名;(意)巴伊特 {cet6 ky toefl ielts gre :6346}

downwards [ˈdaʊnwədz] adv. 向下,往下 { :6850}

airborne [ˈeəbɔ:n] adj. [航] 空运的;空气传播的;风媒的 {toefl gre :7134}

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

outnumber [ˌaʊtˈnʌmbə(r)] vt. 数目超过;比…多 { :9186}

gorge [gɔ:dʒ] n. 峡谷;胃;暴食;咽喉;障碍物 vt. 使吃饱;吞下;使扩张 vi. 拚命吃;狼吞虎咽 n. (Gorge)人名;(西)戈赫;(法)戈尔热 {toefl gre :10137}

predatory [ˈpredətri] adj. 掠夺的,掠夺成性的;食肉的;捕食生物的 {toefl :11039}

bystanders ['baɪstændəz] n. 旁观者(bystander的复数) { :11928}


难点词汇
shoal [ʃəʊl] n. 浅滩,沙洲;鱼群;潜在危险 vi. 变浅 vt. 使变浅;驶入 adj. 浅的 {ielts gre :12753}

mackerel [ˈmækrəl] n. 鲭(产于北大西洋);马鲛鱼 { :15554}

skipjack [ˈskɪpdʒæk] n. 飞鱼;跳跃玩具;叩头虫 { :32359}

shearwaters [ ] (shearwater 的复数) n. 剪嘴鸥 { :42453}

shearwater [ˈʃɪəwɔ:tə(r)] n. 海鸥;海鸥类飞鸟 { :42453}

unfazed [ʌnˈfeɪzd] 不苦恼的 { :48698}


复习词汇
metres [ˈmi:təz] n. 米( metre的名词复数 ); (诗的)格律; 用于竞赛名称 metres { :2099}

dolphin [ˈdɒlfɪn] n. 海豚 n. (Dolphin)人名;(英)多尔芬 {toefl :4232}

predators [p'redətəz] [动] 捕食者 [动] 食肉动物(predator的复数) { :4699}


生僻词
azores [ә'zɔ:z] n. 亚速尔群岛(位于大西洋北部)

baitfish ['beɪtfɪʃ] 钓饵鱼


词组
airborne division [ˈeəˌbɔ:n diˈviʒən] un. 空降师 [网络] 伞兵师;也得依照法令派军队

bait ball [ ] [网络] 饵球

dive down [ ] [网络] 潜入;潜下;潜入水中

next pulse [ ] [计] 下一个脉冲

predatory fish [ ] [网络] 掠食性鱼类;捕食性鱼类;食鱼性鱼

sea breeze [si: bri:z] n. (从海洋吹向陆地的)海风 [网络] 海洋微风;浦风;海陆风

skipjack (tuna) [ ] 鲣

skipjack tuna [ ] [网络] 鲣鱼;正鲣;金枪鱼

sufficiently close [ ] [网络] 充份接近

the dolphin [ ] [网络] 海豚;海豚号

yellow-fin tuna [ ] n. 黄鱼,黄鳍金枪鱼



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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