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07 5




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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 ]

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

All too soon the returning tide
will cover the racoon's table

For all the invertebrates
it is a welcome relief,

but in rough weather they are
exposed to the worst of the waves

Even when there are no waves
- the incoming tide

can create considerable forces underwater

The gaps between these small islands on

the East coast of Vancouver
lsland channel the tidal flow

As the tide keeps rising,
gradually the water flows

faster and soon these giant thirty metre

long bull kelp plants bend to the current

They are sufficiently flexible
to cope without too much damage,

but there are some spots where
the currents are especially powerful

This is the Nakwakto Rapids

At the turn of the tide,
water from almost seven hundred miles

of coastal fjords will have
to empty through a gap

of less than half a mile wide

Within a few minutes the current
is already picking up speed,

until water roars by at over
seventeen miles per hour

Tidal currents are not always
a damaging force

- here in the Poor Knight
lslands of New Zealand,

weak tides run through rock arches,

making an ideal resting
place for stingrays

These rays congregate here
in huge numbers every March

- they've come to breed

The arches funnel the current,
which the rays can ride

with a minimum of effort,
so saving energy

Nearby, out in open water,
a school of two spotted desmoiselle fish

are feeding on plankton
and the current

is perfect for sweeping
their food past them

Once the current starts to weaken,

there is insufficient food to
warrant the risks of swimming

about out here in the open

So the desmoiselles head off
to find shelter en-masse

Safety is in numbers

More and more desmoiselles pour
towards the cave entrances

that riddle the Poor
Knight's islands

Safe at last - inside the cave


知识点

重点词汇
knight [naɪt] n. 骑士,武士;爵士 vt. 授以爵位 n. (Knight)人名;(英)奈特 {cet6 :5152}

roars ['rɔ:z] n. 吼叫声,咆哮声,呼啸声( roar的名词复数 ) v. 咆哮( roar的第三人称单数 ); 大笑; 大哭; 熊熊燃烧 { :5275}

warrant [ˈwɒrənt] n. 根据;证明;正当理由;委任状 vt. 保证;担保;批准;辩解 {cet6 ky toefl gre :5321}

incoming [ˈɪnkʌmɪŋ] n. 进入;到来;常作 incomings 收入,收益 adj. 进来的,到来的; 即将就任的 {ielts :6757}

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}

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

funnel [ˈfʌnl] n. 漏斗;烟囱 vt. 通过漏斗或烟囱等;使成漏斗形 vi. 通过漏斗等;成漏斗形 {toefl ielts :10793}


难点词汇
riddle [ˈrɪdl] n. 谜语;粗筛;谜一般的人、东西、事情等 vt. 解谜;给...出谜;充满于 vi. 出谜 n. (Riddle)人名;(英)里德尔 {zk gk cet4 cet6 ky toefl gre :11712}

congregate [ˈkɒŋgrɪgeɪt] vi. 聚集 adj. 集合在一起的 vt. 聚集 {toefl gre :12537}

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

invertebrates [ɪn'vɜ:təbreɪts] n. 无脊椎动物( invertebrate的名词复数 ) { :17362}

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

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}

stingrays [ˈstiŋreiz] n. 黄貂鱼( stingray的名词复数 ) { :21585}

fjords [fjɔ:dz] n. 峡湾,海岸峡江( fjord的名词复数 ) { :21776}


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


词组
bull kelp [bul kelp] 巨藻

New Zealand [nju: 'zi:lәnd] n. 【国】新西兰 [网络] 纽西兰;奥克兰;区新西兰

rock arch [ ] 石门

the tide [ðə taid] [网络] 潮水;潮汐;潮来潮往

the turn of the tide [ ] na. 潮汐的转变;形势的转变 [网络] 扭转时代的潮流;潮流的转变;潮转了

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

tidal flow [ˈtaɪdl fləu] 潮流,潮汐流

tidal flows [ ] 【气象学】潮汐流;车辆潮流

tide water [ ] 潮水

to breed [ ] 配种

to weaken [ ] [网络] 减弱

turn of the tide [ ] un. 转潮;潮汐交替 [网络] 浮沉;一轮浪潮;潮汐逆流



单词释义末尾数字为词频顺序
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