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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：
But now the are
starting to hunt once more.
Their skill in tracking food
is not a secret.
must be aware of it
for they regularly follow them.
But only adult in their second
or third year of life
have sufficient
to keep up with the fast-moving .
These are another kind - .
They too are on the move.
As they travel - ever
they pay a call on one of their
larger relations
- a .
The whale is not hunting.
lt's on its way to its breeding grounds
in .
normally hunt in
small family groups but in mid-summer
they head for
traditional grounds
where they will assemble in
super several hundred strong.
Already two families have joined together.
The males are starting to compete
for the favours of the females.
As the weeks pass by these group rubbing -
sessions will become more sexual.
But now - it's just in the sun.
Timing in the ocean can be crucial.
summer, the northern Atlantic waters
are beginning to warm.
The hunting is good here
and by June predators
from southern waters are
heading towards the .
These are more .
Like most dolphins
they too often travel in huge
containing many different families.
There is seldom enough prey in
any one place to feed such numbers.
So small groups leave the super-pod
and set off on hunting expeditions.
This group will be away from
the main for several hours.
By mid-day they're nearing
the lslands of the
- nine hundred miles west
of coast.
Other hunters are already here
- Cory's .
Half a million of these birds breed on
the every year
and the nearby ocean for food.
Right now there is insufficient wind
to support flight
and since
is a waste of energy they sit out
clustered in
and riding the gentle swells.
By mid-afternoon are
starting to hunt .
As the picks up,
知识点
重点词汇
herds [hə:dz] n. 畜群；大量（herd的复数）；人群 v. 聚在一起；结交（herd的三单形式） { :5174}
herd [hɜ:d] n. 兽群，畜群；放牧人 vt. 放牧；使成群 vi. 成群，聚在一起 n. (Herd)人名；(英、芬)赫德 {cet4 cet6 ky toefl ielts gre :5174}
tuna [ˈtju:nə] n. 金枪鱼，鲔鱼 n. (Tuna)人名；(葡、匈、捷、土、塞)图纳 {cet6 :5993}
earnest [ˈɜ:nɪst] n. 认真；定金；诚挚 adj. 认真的，热心的；重要的 n. (Earnest)人名；(英)欧内斯特 {cet4 cet6 ky toefl gre :7000}
gliding [ˈglaɪdɪŋ] adj. 滑行的；流畅的；滑顺的 v. 滑翔；消逝；溜走（glide的ing形式） { :7090}
rafts [rɑ:fts] n. 木筏( raft的名词复数 ); 橡皮艇; 充气船; 大量 { :7376}
Mediterranean [.meditә'reiniәn] n. 地中海 adj. 地中海的 {cet4 cet6 :7623}
Portuguese [.pɒ:tju'gi:z] n. 葡萄牙语；葡萄牙人 adj. 葡萄牙的；葡萄牙人的；葡萄牙语的 {cet4 cet6 :7757}
flirting [flə:tɪŋ] n. 打情骂俏 v. 打情骂俏（flirt的ing形式）；玩弄；摆动 adj. 调情的 { :8036}
flapping [flæpɪŋ] n. 拍动；摇摆运动 adj. 摇摆运动的；挥动的 v. 拍打，轻拍（flap的ing形式） { :8113}
scour [ˈskaʊə(r)] n. 擦，冲刷；洗涤剂；（畜类等的）腹泻 vt. 擦亮，洗涤；冲洗，清除 vi. 冲刷；擦；腹泻 {toefl gre :9501}
stamina [ˈstæmɪnə] n. 毅力；精力；活力；持久力 {toefl :9862}
spinners [ˈspinəz] n. （板球投手投出的）旋转球( spinner的名词复数 ); （某些游戏中的）旋转指针; （钓鱼用）旋式诱饵; 纺纱工 { :10352}
难点词汇
overtly ['əʊvɜ:tlɪ] adv. 明显地；公开地，公然地 { :11796}
oceanic [ˌəʊʃiˈænɪk] adj. 海洋的；海洋产出的；在海洋中生活的；广阔无垠的 { :13204}
inquisitive [ɪnˈkwɪzətɪv] adj. 好奇的；好问的，爱打听的 {toefl gre :14648}
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}
ln [ ] abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen） { :28828}
shearwaters [ ] (shearwater 的复数) n. 剪嘴鸥 { :42453}
生僻词
azores [ә'zɔ:z] n. 亚速尔群岛（位于大西洋北部）
词组
common dolphin [ˈkɔmən ˈdɔlfin] 海豚
hunting expedition [ ] [网络] 狩猎考察队
in earnest [in ˈə:nist] na. 诚挚 [网络] 认真地；认真的；诚挚地
pilot whale [ˈpailət hweil] n. 巨头鲸；领航鲸 [网络] 短鳍领航鲸；领航鲸巨头鲸；导航鲸
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
the calm [ ] [网络] 平静；宁静；危险前的宁静
the dolphin [ ] [网络] 海豚；海豚号
the mediterranean [ ] [网络] 地中海；地中海地区；地中海游轮
the portuguese [ ] [网络] 葡萄牙人；葡萄牙大炮
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
* 词汇量测试建议用 testyourvocab.com