05 7
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：
This one has sensed minute electrical
signals from the salmon nearby
Shark can maintain their blood
temperature at a higher level
than the surrounding sea water
And that means they have
the energy to be quick
Quicker even than salmon
Early autumn in lsland
in Canada, 600 miles to the south
The ocean temperature
is slowly dropping
Forty metres below the surface,
this year's baby are feeding
on the last of the summer's
Their movements attract attention
from the skies above
can't , so for now
the fish are still safe
But there are birds which can
and swim
down beneath the school
The panic
a force towards the surface
They gather into a giant defensive
ball of fish
The attracts
They too are hunters
The fish scatter
the
Repeated attacks split the ball
into numerous smaller groups
Now it's easier for the to keep
the confused fish penned
at the surface
and there even the
can get at them
Attacked from all sides, the little
fish have virtually no chance
More and more are
attracted to the scene
They harry the shrinking numbers
of right down
to the very last individual
Far bigger predators cruise here, too
Pacific white-sided dolphin
But are mainly
hunters
- during the day they concentrate
on
They display by releasing streams
of bubbles and they play games...
...games like pass the ,
for example
Exactly eight months ago in the
winter off the west coast of Scotland
an egg was laid - and
fixed to a strand of
lnside, a tiny started
to develop
Protected by the tough egg case,
it endured the worst of the winter storms
By summer it was half grown
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}
swirling [swɜ:lɪŋ] n. 漩涡；[流] 涡流 adj. 打旋的 v. 打旋；眩晕；使成漩涡（swirl的现在分词形式） { :6166}
embryo [ˈembriəʊ] n. [胚] 胚胎；胚芽；初期 adj. 胚胎的；初期的 {toefl :6275}
divers [ˈdaɪvəz] adj. 不同种类的，各式各样的 n. (Divers)人名；(英)戴弗斯；(法)迪韦尔 { :8238}
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}
securely [sɪ'kjʊəlɪ] adv. 安全地；牢固地；安心地；有把握地 {toefl :9820}
herring [ˈherɪŋ] n. 鲱 n. (Herring)人名；(英)赫林 { :9934}
commotion [kəˈməʊʃn] n. 骚动；暴乱 {ielts gre :11651}
vancouver [væn'ku:vә] n. 温哥华（加拿大主要港市） { :12635}
effortlessly ['efətləslɪ] adv. 轻松地；毫不费劲地 { :13078}
seaweed [ˈsi:wi:d] n. 海藻，海草 {gk toefl :13198}
nocturnal [nɒkˈtɜ:nl] adj. 夜的；夜曲的；夜间发生的 {toefl gre :13312}
难点词汇
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}
rockfish ['rɒkˌfɪʃ] n. 岩鱼（栖于礁石中的鱼） { :18798}
plankton [ˈplæŋktən] n. 浮游生物（总称） {ielts gre :19300}
marauding [məˈrɔ:dɪŋ] adj. 抢劫的；劫掠的；巡行作案的；潜行捕食的 v. 抢劫（maraud的ing形式） { :20039}
kelp [kelp] n. [植] 巨藻，海藻；海草灰 vi. 烧制海草灰 n. (Kelp)人名；(罗)凯尔普 {ielts :21356}
yellowtail [jeləʊ'teɪl] n. 一种鲱 n. (Yellowtail)人名；(英)耶洛泰尔 { :34706}
murres [ ] (murre 的复数) 海鸠 { :38917}
生僻词
auklets [ ] (auklet 的复数) n. 小种海雀
词组
the dolphin [ ] [网络] 海豚；海豚号
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