十万个为什么·科学启蒙30篇（3）

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人为什么会晕车

Carsickness happens when your eyes, inner ears, and muscles send conflicting signals to your brain.
While riding in a car, your eyes may focus on a still book or phone screen.
But your inner ear senses motion as the vehicle speeds up, slows down, or turns.
Your body’s sensory mismatch tricks your brain into thinking you might be poisoned.
This triggers nausea, sweating, dizziness, and sometimes vomiting as a defense response.
Children aged 2–12 are especially prone because their balance systems are still developing.
Looking out the front window helps match visual input with motion sensed by the inner ear.
Taking breaks, breathing fresh air, or chewing ginger can reduce symptoms for many people.
Medications like dimenhydrinate work by blocking signals between the inner ear and brain.
Unlike seasickness, carsickness rarely lasts long after the ride ends.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Unlike seasickness, carsickness rarely lasts long after the ride ends. 与晕船不同，晕车通常在下车后不会持续太久。
This triggers nausea, sweating, dizziness, and sometimes vomiting as a defense response. 这会引发恶心、出汗、头晕，有时甚至呕吐，作为防御反应。
Your body’s sensory mismatch tricks your brain into thinking you might be poisoned. 身体感官信息不一致会让大脑误以为你可能中毒了。

这篇中文题目最接近哪一句？人为什么会晕车一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？晕车是由于眼睛、内耳和肌肉向大脑传递了相互矛盾的信号所致。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） Why Do People Get Carsick? How to cook noodles A maths worksheet

Unlike seasickness, carsickness rarely lasts long after the ride ends.

Unlike seasickness, carsickness rarely lasts long after the ride ends.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Unlike seasickness, carsickness rarely lasts long after the ride ends.