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新奇事件簿(翻译+字幕+讲解):蜈蚣能吃掉体积比自己大15倍的动物

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Centipedes are the kind of creatures that are not to be messed with. Their venom packs a serious punch and can cause rapid paralysis and death in insects and small animals. They have even been known to kill people with their highly venomous sting. Scientists have now discovered a deadly toxin in centipede venom that can shut down the hearts of animals that are 15 times bigger than them. The scientists isolated a toxin in the Chinese red-headed centipede. This beast can grow to roughly eight inches in length. The toxin in its venom blocks potassium from moving in and out of cells. This blocking of potassium prevents the brain from sending signals to the heart to beat, thus causing a rapid death.

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蜈蚣能吃掉体积比自己大15倍的动物
The venom is rarely fatal for humans, but it can cause agonizing pain and swelling for up to two weeks. The scientists have called it SSM Spooky Toxin. Researcher Shilong Yang, an expert in toxins at China's Kunming Institute of Zoology, explained: "The "centipede's venom has evolved to simultaneously disrupt cardiovascular, respiratory, muscular and nervous systems. This molecular strategy has not been found in other venomous animals." Despite their name (centi is "hundred" in Latin and pedis is "foot"), centipedes do not have 100 legs. They have a varying number of legs, ranging from 30 to 354. Centipedes always have an odd number of pairs of legs. This means no centipede has exactly 100 legs.

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重点单词   查看全部解释    
respiratory [ri'spirətəri]

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adj. 呼吸的,与呼吸有关的

 
sting [stiŋ]

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n. 刺痛刺,讽刺
vt. 刺痛,使苦恼,欺诈

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simultaneously [saiməl'teiniəsli]

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adv. 同时地(联立地)

 
muscular ['mʌskjulə]

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adj. 肌肉的,肌肉发达的

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disrupt [dis'rʌpt]

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vt. 分裂,干扰,打断,妨碍,使破裂

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zoology [zəu'ɔlədʒi]

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n. 动物学

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punch [pʌntʃ]

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n. 打洞器,钻孔机,殴打
n. (酒、水、糖

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institute ['institju:t]

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n. 学会,学院,协会
vt. 创立,开始,制

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beat [bi:t]

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v. 打败,战胜,打,敲打,跳动
n. 敲打,

 
fatal ['feitl]

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adj. 致命的,毁灭性的,决定性的

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