兔子耳朵的散热功能 · Rabbits Use Their Ears to Cool Down
兔子耳朵的散热功能
Rabbits Use Their Ears to Cool Down
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走进动物世界——兔子那对长长的、竖起来的大耳朵，可不只是为了听声音，它还有一个重要的功能——散热！
Step into the animal world — Rabbits Use Their Ears to Cool Down!
📖 趣味知识 / Fun Fact
tù兔zi子nà那duì对zhǎng长zhǎng长de的、shù竖qǐ起lái来de的dà大ěr耳duǒ朵，kě可bù不zhǐ只shì是wèi为le了tīng听shēng声yīn音，tā它hái还yǒu有yī一gè个zhòng重yào要de的gōng功néng能——sàn散rè热！tù兔zi子de的ěr耳duǒ朵lǐ里bù布mǎn满le了mì密mì密má麻má麻de的máo毛xì细xuè血guǎn管，dāng当tiān天qì气yán炎rè热shí时，xuè血yè液liú流dào到ěr耳duǒ朵lǐ里，rè热liàng量jiù就huì会tōng通guò过báo薄báo薄de的ěr耳kuò廓sàn散fā发chū出qù去，jiù就xiàng像zì自dài带le了yī一gè个tiān天rán然de的xiǎo小kōng空diào调。
Rabbit ears work like radiators with blood vessels packed in the ear flaps. On hot days blood flows to the ears to release heat and prevent overheating. Wild rabbits have especially long ears; some pet breeds have floppy ones. Burrows plus big ears give rabbits two cooling strategies. Sharing this fact with a friend makes learning Chinese even more fun.
🤔 Why?
为什么兔子耳朵的散热功能这么有趣？
Why is Rabbits Use Their Ears to Cool Down interesting?
兔子的耳朵里布满了密密麻麻的毛细血管，当天气炎热时，血液流到耳朵里，热量就会通过薄薄的耳廓散发出去，就像自带了一个天然的小空调。
On hot days blood flows to the ears to release heat and prevent overheating.
👧 Compare With You
你和兔子，有什么不一样？ How are you different from Rabbit?
- ✔ 用两条腿走路 Walk on two legs
- ✔ 在学校学中文 Practice Chinese anywhere
- ✔ 用手写字画画 Write and draw with hands
- ✔ 和"兔子"有关 Related to rabbit
- ✔ 和"耳朵"有关 Related to ear
- ✔ 和"散热"有关 Related to release heat
- ✔ 是农场动物的一员 Belongs to farm animals
📚 Vocabulary
💬 Learn Sentences
tù兔zi子nà那duì对zhǎng长zhǎng长de的、shù竖qǐ起lái来de的dà大ěr耳duǒ朵，kě可bù不zhǐ只shì是wèi为le了tīng听shēng声yīn音，tā它hái还yǒu有yī一gè个zhòng重yào要de的gōng功néng能——sàn散rè热。
Rabbit ears work like radiators with blood vessels packed in the ear flaps.
tù兔zi子de的ěr耳duǒ朵lǐ里bù布mǎn满le了mì密mì密má麻má麻de的máo毛xì细xuè血guǎn管，dāng当tiān天qì气yán炎rè热shí时，xuè血yè液liú流dào到ěr耳duǒ朵lǐ里，rè热liàng量jiù就huì会tōng通guò过báo薄báo薄de的ěr耳kuò廓sàn散fā发chū出qù去，jiù就xiàng像zì自dài带le了yī一gè个tiān天rán然de的xiǎo小kōng空diào调。
On hot days blood flows to the ears to release heat and prevent overheating.
🎤 口语练习 / Speaking Practice
请跟着读： Repeat after me:
tù兔zi子de的ěr耳duǒ朵lǐ里bù布mǎn满le了mì密mì密má麻má麻de的máo毛xì细xuè血guǎn管，dāng当tiān天qì气yán炎rè热shí时，xuè血yè液liú流dào到ěr耳duǒ朵lǐ里，rè热liàng量jiù就huì会tōng通guò过báo薄báo薄de的ěr耳kuò廓sàn散fā发chū出qù去，jiù就xiàng像zì自dài带le了yī一gè个tiān天rán然de的xiǎo小kōng空diào调。
On hot days blood flows to the ears to release heat and prevent overheating.
🎯 Fun Challenge
Multiple Choice兔子的大耳朵除了听声音还有什么功能？
Besides hearing, what else do a rabbit's big ears do?
💡 想一想刚才读到的内容。 Think about what you just read.
答对了！兔子耳朵里布满毛细血管，能在炎热天气把热量散发出去，像天然小空调！ Correct! A rabbit's ears are packed with tiny blood vessels that release heat in hot weather, working like a natural air conditioner!
💭 Think About It
如果你能安静观察兔子的长耳朵散热一天，你最想记录它的什么动作？
If you could quietly watch Rabbit Ear Cooling for one day, what movement would you write down?
哇！ Wow!
tù兔zi子de的ěr耳duǒ朵lǐ里bù布mǎn满le了mì密mì密má麻má麻de的máo毛xì细xuè血guǎn管，dāng当tiān天qì气yán炎rè热shí时，xuè血yè液liú流dào到ěr耳duǒ朵lǐ里，rè热liàng量jiù就huì会tōng通guò过báo薄báo薄de的ěr耳kuò廓sàn散fā发chū出qù去，jiù就xiàng像zì自dài带le了yī一gè个tiān天rán然de的xiǎo小kōng空diào调。
Sharing this fact with a friend makes learning Chinese even more fun.
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