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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：
[本次分析采用基础词汇量：
Each polyp's flesh is supported
by a
Below the gut...
...is the place where most
of the growth occurs
Here, the living tissue deposits
an of
Beneath that, the
is bare,
having been
the living tissues
This is the hard structure that
forms the foundation of the
and a single can extend
for many miles
are only found in the clear,
warm of
Sunlight is vital to them,
even though they are animals,
because inside their flesh live millions
of tiny single-celled - plants
And all plants need sunlight
to sugars
Ninety eight of the food that
consume is produced by the
Without them the
would not exist
Like any other plant, need
just the right amount of light,
not too much, not too little
The regulate that with
that we can only see
when they are
by
Most for protection spend the day
withdrawn into their
But even then they are not safe from
the jaws of these
At night the take in water,
expand their and emerge to feed
They collect
Each has batteries of
, which fire on contact
Once the prey is caught,
it's passed down to the polyp's mouth
lt's at night, when the
are extended,
that they add to the
foundations beneath them
lnevitably, the begin to
each other and that means trouble
When neighbours get too close,
they detect one another's presence
The on the right
prepares for battle
The their guts
and simply their rivals alive
知识点
重点词汇
illuminated [ɪˈlu:mɪneɪtɪd] adj. 被照明的 v. 照明；启发；兴奋（illuminate的过去分词） { :5388}
coral [ˈkɒrəl] n. 珊瑚；珊瑚虫 adj. 珊瑚的；珊瑚色的 n. (Coral)人名；(英、法、西、葡)科拉尔 {gk toefl :5793}
corals [ˈkɔrəlz] n. 珊瑚( coral的名词复数 ); 珊瑚虫 { :5793}
skeleton [ˈskelɪtn] n. 骨架，骨骼；纲要；骨瘦如柴的人 adj. 骨骼的；骨瘦如柴的；概略的 {cet6 ky toefl ielts gre :5954}
limestone [ˈlaɪmstəʊn] n. [岩] 石灰岩 {cet6 toefl gre :6225}
reef [ri:f] n. 暗礁；[地质] 矿脉；收帆 vt. 收帆；缩帆 vi. 缩帆；收帆 {cet6 toefl :6352}
reefs [ri:fs] 礁体 { :6352}
intricate [ˈɪntrɪkət] adj. 复杂的；错综的，缠结的 {cet6 ky toefl ielts gre :7255}
tentacles ['təntəkəlz] n. [动] 触手；[动] 触须（tentacle的复数） { :7471}
tentacle [ˈtentəkl] n. 触手，[动] 触须，[动] 触角 {toefl ielts :7471}
digest [daɪˈdʒest] n. 文摘；摘要 vt. 消化；吸收；融会贯通 vi. 消化 {gk cet4 cet6 ky toefl ielts :7573}
fortresses [ˈfɔ:trisiz] n. 堡垒，要塞( fortress的名词复数 ) { :7786}
algae [ˈældʒi:] n. [植] 藻类；[植] 海藻 {toefl :8285}
pigments ['pɪgmənts] n. [颜料] 颜料，染料；[物][生化] 色素（pigment的复数形式） { :9103}
ultraviolet [ˌʌltrəˈvaɪələt] adj. 紫外的；紫外线的 n. 紫外线辐射，紫外光 {cet6 ky toefl ielts :9521}
cent [sent] n. 分；一分的硬币；森特（等于半音程的百分之一） n. (Cent)人名；(法)桑 {zk gk cet4 cet6 ky :10111}
lattice [ˈlætɪs] n. [晶体] 晶格；格子；格架 vt. 使成格子状 {cet6 gre :10648}
难点词汇
stony [ˈstəʊni] adj. 无情的；多石的；石头的 {cet4 cet6 toefl :11616}
stinging ['stɪŋɪŋ] adj. 激烈的；刺人的；刺一样的 { :12086}
vacated [ˈveɪˌkeɪtid] vi. 空出，腾出；辞职；休假 vt. 空出，搬出；取消；使撤退 { :12605}
chemically ['kemɪklɪ] adv. 用化学；以化学方法 { :13263}
tropics ['trɒpɪks] n. 热带地区 {toefl :13268}
aggressor [əˈgresə(r)] n. 侵略者；侵略国；挑衅者 {gre :13396}
polyps [ˈpɔlips] n. 珊瑚虫（水螅型），息肉( polyp的名词复数 ) { :13529}
overgrow ['əʊvəˌgrəʊ] vt. 长满于；长得超过 vi. 生长过度 { :17747}
plankton [ˈplæŋktən] n. 浮游生物（总称） {ielts gre :19300}
extrude [ɪkˈstru:d] vt. 挤出，压出；使突出；逐出 vi. 突出，喷出 {toefl gre :24602}
生僻词
photosynthesise [ ] [网络] 光合作用
词组
butterfly fish [ˈbʌtəflai fiʃ] na. 【鱼】蝴蝶鱼 [网络] 鲽鱼；蝴蝶鱼类；珊瑚鱼
coral reef [ˈkɔrəl ri:f] n. 【地】珊瑚礁 [网络] 海底珊瑚礁；美国珊瑚礁；礁墙
coral reefs [ ] n. 【地】珊瑚礁 [网络] 珊瑚礁生态系；国际珊瑚礁期刊；岌岌可危的珊瑚礁
per cent [pə: sent] adj. 每一百中 n. 百分之… [网络] 百分数；百分率；百分比
shallow water [ ] un. 浅水 [网络] 浅水区；浅水区域；浅水湿地
shallow waters [ ] [水文] 浅水；浅海，浅水域；浅滩
stinging cell [ˈstiŋiŋ sel] [网络] 带刺的细胞；刺细胞
the tropic [ ] [网络] 热带区
ultraviolet light [ ] na. 紫外线 [网络] 紫外光；紫外线光；紫外辐射
vacate by [ ] vt.到...之前腾空
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