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07 4




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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：5,000 ]
[本次分析采用基础词汇量：5,000 ]

But when the tide floods in again,
as long as the coast is clear

- these sand lancet will re-emerge

After a wait of six hours under the sand,
they are desperate for food and,

unlike flounder,
they head out to sea

They are looking for
shallow open water,

where the tidal currents will
concentrate their food - plankton

ln their untold thousand they stream
toward the best feeding grounds

Where they simply pick up
tiny planktonic creatures from the water

But, if they swim too far off-shore
in search of food,

they risk running into large predators
that live out in deeper water

Dogfish - small sharks

The sand lancet have strayed out
of their safe depth

The effect of the turning tide can
be totally different on a rocky shore

Here on the coast of Vancouver lsland
in Canada the sun bakes the exposed rock

lt's virtually impossible to dig
underground when the sea retreats,

so these mussels and barnacles are
fully exposed to the heat of the sun

- literally cooking
in their own shells

And the seaweed simply dry to a crisp

lt can be a wait of many hours
before the water returns

Throughout each month the size
and strength of the tide changes

The biggest tides of all happen

when the gravities of the
sun and moon pull in unison

That happens immediately
after the new moon...

...and again after the full moon

These are called the spring tides

They reveal vast tracts of sea bed
that would normally be covered

For these racoons it's a chance
to look for a seafood feast

A mother ventures forth with her kits

With the spring tide, they've
come further down the beach

than smaller tides would normally allow

Searching with their
extraordinarily sensitive paws

- they look for suitable prey

With the extreme low tide they
could find something special

And what could be better
than a red rock crab

That is, if it weren't for the risk
of a painful pinch

With large crabs
there's no substitute for experience

- the mother makes an expert's catch

But the kits learn fast!

And for those that don't
- begging is always worth a try!


知识点

重点词汇
crab [kræb] n. 螃蟹；蟹肉；脾气乖戾的人；起重机 vt. 抱怨；破坏；使偏航 vi. 捕蟹；发牢骚；抱怨 {cet6 ky toefl gre :5100}

crabs [kræbz] n. 蟹类；吊钳；脾气坏的人（crab的复数） v. 捕蟹；抱怨；侧航（crab的三单形式） { :5100}

underground [ˈʌndəgraʊnd] n. 地下；地铁；地道；地下组织；秘密活动；先锋派团体 adj. 地下的；秘密的；先锋派的 adv. 在地下；秘密地 {zk gk toefl ielts :5281}

rocky [ˈrɒki] adj. 岩石的，多岩石的；坚如岩石的；摇晃的；头晕目眩的 {toefl :5549}

feast [fi:st] n. 筵席，宴会；节日 vt. 享受；款待，宴请 vi. 享受；参加宴会 {gk cet4 cet6 ky ielts :5626}

tracts [trækts] n. 大片土地( tract的名词复数 ); 地带; （体内的）道; （尤指宣扬宗教、伦理或政治的）短文 { :6081}

crisp [krɪsp] adj. 脆的；新鲜的；易碎的 vt. 使卷曲；使发脆 vi. 卷曲；发脆 n. 松脆物；油炸马铃薯片 n. (Crisp)人名；(英)克里斯普 {cet6 ky toefl ielts :6194}

seafood [ˈsi:fu:d] n. 海鲜；海味；海产食品 {ielts :6817}

extraordinarily [ɪk'strɔ:dnrəlɪ] adv. 非常；格外地；非凡地 {cet6 :7314}

pinch [pɪntʃ] n. 匮乏；少量；夹痛 vt. 捏；勒索；使苦恼；掐掉某物，修剪 vi. 夹痛；节省 n. (Pinch)人名；(英)平奇 {cet4 cet6 ky toefl ielts gre :7728}

paws [pɔ:z] n. （复数）爪子；〈美口〉同“papa”；〈谑〉(人的)手；〈俚〉笔迹 { :8033}

tidal [ˈtaɪdl] adj. 潮汐的；潮的，有关潮水的；定时涨落的 n. (Tidal)人名；(瑞典)蒂达尔 { :8579}

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

strayed [streid] v. 走失( stray的过去式和过去分词 ); 偏离正题; 走入歧途; （已婚者或有固定关系者）有外遇 { :9258}

unison [ˈju:nɪsn] n. 和谐；齐唱；同度；[声] 同音 n. (Unison)人名；(英)尤尼森 {gre :9423}

mussels ['mʌslz] n. [无脊椎] 贻贝（mussel的复数）；[水产] 淡菜；双壳类 { :10822}

vancouver [væn'ku:vә] n. 温哥华（加拿大主要港市） { :12635}

untold [ˌʌnˈtəʊld] adj. 数不清的；未说过的；未透露的；无限的 {ielts gre :13034}

seaweed [ˈsi:wi:d] n. 海藻，海草 {gk toefl :13198}

flounder [ˈflaʊndə(r)] n. 挣扎，辗转；比目鱼 vi. 挣扎，折腾；错乱地做事或说话 {toefl gre :14667}


难点词汇
lancet [ˈlɑ:nsɪt] n. [外科] 小刀，柳叶刀；尖顶窗；小枪 {gre :16514}

plankton [ˈplæŋktən] n. 浮游生物（总称） {ielts gre :19300}

barnacles ['ba:nəklz] n. 鼻钳似的刑具，<英口>眼镜; （岩石、船底等处的）附着甲壳动物( barnacle的名词复数 ) { :22774}

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

planktonic ['plæŋtɒnɪk] adj. 浮游生物的，浮游的 { :31717}

dogfish [ˈdɒgfɪʃ] n. 狗鲨；[脊椎] 巨头鲸；角鲨鱼 { :38198}

racoons [ ] (racoon 的复数) n. 浣熊 { :43344}


复习词汇
moon [mu:n] n. 月亮；月球；月光；卫星 vi. 闲荡；出神 vt. 虚度 n. (Moon)人名；(瑞典)莫恩；(柬)蒙；(英)穆恩；(缅)孟 {zk gk :2450}

tides [taɪdz] n. [海洋] 潮汐（tide的复数） v. 随潮水漂浮（tide的第三人称单数） { :3284}

tide [taɪd] n. 趋势，潮流；潮汐 vt. 随潮漂流 {cet4 cet6 ky toefl ielts :3284}


词组
flood in [flʌd in] v. 涌到 [网络] 大量地涌到；潮水般涌来；纷至沓来

full moon [ful mu:n] n. 满月；圆月 [网络] 满月岛；寻找满月；圆月岛

in unison [in ˈju:nɪsən] na. 同时地；又…又…；一致 [网络] 一致地；完全一致地；齐声

low tide [ləu taid] n. 低潮 [网络] 退潮；乾潮；低潮期

new moon [nju: mu:n] n. 新月；新月期 [网络] 月朔；朔月；暮光之城-新月

red rock crab [ ] [网络] 螃蟹；红蟹；红石蟹

rock crab [ ] un. 岩黄道蟹 [网络] 岩石螃蟹；岩蟹；盲蟹

spring tide [spriŋ taid] n. 大潮 [网络] 春潮；潮汛；潮差相对最大时称为大潮

substitute for [ ] v. 取代；替代 [网络] 代替；替换；的替代物

sun and moon [sʌn ænd mu:n] [网络] 太阳月亮；太阳和月亮；日月

the tide [ðə taid] [网络] 潮水；潮汐；潮来潮往

tidal current [ ] na. 潮流 [网络] 潮汐流；潮流海流；本局有无潮流

tidal currents [ ] n. 潮流 [网络] 潮汐流

tide flood [ ] 潮汛

to a crisp [ ] na. (烧)脆(焦)



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