海豚的声呐本领 · Dolphin's Echolocation
海豚的声呐本领
Dolphin's Echolocation
👁 6 次浏览 · views
走进动物世界——海豚在水里视力不太好，但它们有自己独特的“看”世界的方法，叫做“回声定位”！
Step into the animal world — Dolphin's Echolocation!
📖 趣味知识 / Fun Fact
hǎi海tún豚zài在shuǐ水lǐ里shì视lì力bù不tài太hǎo好，dàn但tā它men们yǒu有zì自jǐ己dú独tè特de的“kàn看”shì世jiè界de的fāng方fǎ法，jiào叫zuò做“huí回shēng声dìng定wèi位”。hǎi海tún豚huì会fā发chū出“kā咔dā嗒kā咔dā嗒”de的shēng声yīn音，shēng声yīn音pèng碰dào到wù物tǐ体hòu后huì会dàn弹huí回lái来，hǎi海tún豚tōng通guò过jiē接shōu收hé和fēn分xī析huí回shēng声，jiù就néng能zhī知dào道wù物tǐ体de的wèi位zhì置、dà大xiǎo小hé和xíng形zhuàng状，jiù就xiàng像zì自dài带le了yī一tái台shēng声nà呐tàn探cè测qì器。
Dolphins see underwater with echolocation, sending clicks and reading echoes to judge distance and shape. A fat lens in the forehead focuses sound waves. Dolphins find fish schools this way and swim safely even in darkness. Their ability inspired human sonar technology. Kids love spotting this when visiting a zoo or watching nature shows with family.
🤔 Why?
为什么海豚的声呐本领这么有趣？
Why is Dolphin's Echolocation interesting?
海豚会发出“咔嗒咔嗒”的声音，声音碰到物体后会弹回来，海豚通过接收和分析回声，就能知道物体的位置、大小和形状，就像自带了一台声呐探测器。
A fat lens in the forehead focuses sound waves.
👧 Compare With You
你和海豚，有什么不一样？ How are you different from Dolphin?
- ✔ 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"海豚"有关 Related to dolphin
- ✔ 和"声呐"有关 Related to sonar
- ✔ 和"回声"有关 Related to echo
- ✔ 是海洋动物的一员 Belongs to ocean animals
📚 Vocabulary
💬 Learn Sentences
hǎi海tún豚zài在shuǐ水lǐ里shì视lì力bù不tài太hǎo好，dàn但tā它men们yǒu有zì自jǐ己dú独tè特de的“kàn看”shì世jiè界de的fāng方fǎ法，jiào叫zuò做“huí回shēng声dìng定wèi位”。
Dolphins see underwater with echolocation, sending clicks and reading echoes to judge distance and shape.
hǎi海tún豚huì会fā发chū出“kā咔dā嗒kā咔dā嗒”de的shēng声yīn音，shēng声yīn音pèng碰dào到wù物tǐ体hòu后huì会dàn弹huí回lái来，hǎi海tún豚tōng通guò过jiē接shōu收hé和fēn分xī析huí回shēng声，jiù就néng能zhī知dào道wù物tǐ体de的wèi位zhì置、dà大xiǎo小hé和xíng形zhuàng状，jiù就xiàng像zì自dài带le了yī一tái台shēng声nà呐tàn探cè测qì器。
A fat lens in the forehead focuses sound waves.
🎤 口语练习 / Speaking Practice
请跟着读： Repeat after me:
hǎi海tún豚huì会fā发chū出“kā咔dā嗒kā咔dā嗒”de的shēng声yīn音，shēng声yīn音pèng碰dào到wù物tǐ体hòu后huì会dàn弹huí回lái来，hǎi海tún豚tōng通guò过jiē接shōu收hé和fēn分xī析huí回shēng声，jiù就néng能zhī知dào道wù物tǐ体de的wèi位zhì置、dà大xiǎo小hé和xíng形zhuàng状，jiù就xiàng像zì自dài带le了yī一tái台shēng声nà呐tàn探cè测qì器。
A fat lens in the forehead focuses sound waves.
🎯 Fun Challenge
Multiple Choice海豚用什么方法在水里“看”东西？
What method do dolphins use to "see" underwater?
💡 想一想刚才读到的内容。 Think about what you just read.
答对了！海豚发出“咔嗒”声，通过接收和分析回声，就能知道物体的位置、大小和形状。 Correct! Dolphins send out clicking sounds and read the echoes to sense an object's position, size, and shape.
💭 Think About It
如果你能安静观察海豚的声呐一天，你最想记录它的什么动作？
If you could quietly watch Dolphin Echolocation Story for one day, what movement would you write down?
哇！ Wow!
hǎi海tún豚huì会fā发chū出“kā咔dā嗒kā咔dā嗒”de的shēng声yīn音，shēng声yīn音pèng碰dào到wù物tǐ体hòu后huì会dàn弹huí回lái来，hǎi海tún豚tōng通guò过jiē接shōu收hé和fēn分xī析huí回shēng声，jiù就néng能zhī知dào道wù物tǐ体de的wèi位zhì置、dà大xiǎo小hé和xíng形zhuàng状，jiù就xiàng像zì自dài带le了yī一tái台shēng声nà呐tàn探cè测qì器。
Kids love spotting this when visiting a zoo or watching nature shows with family.
📊 学习数据 / Stats
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🎬 短视频 / Short Video
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