城市汽车小队 · 4-8 岁

地铁为什么跑得快

地下隧道里的直达小旅行

科普启蒙约 9 分钟4-8 岁中英双语

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安安和妈妈来到地铁站，准备去图书馆借一本车子的书。

An'an and Mom arrived at the subway station to borrow a book about vehicles from the library.

地铁为什么跑得快第 1 页插图

安安和妈妈来到地铁站，准备去图书馆借一本车子的书。

An'an and Mom arrived at the subway station to borrow a book about vehicles from the library.

地铁为什么跑得快第 2 页插图

站台边，银色列车安静地等着。安安问：“它怎么不怕堵车？”

A silver train waited quietly at the platform. An'an asked, “How does it avoid traffic jams?”

地铁为什么跑得快第 3 页插图

妈妈说：“地铁有自己的轨道，和汽车走的道路分开了。”

Mom said, “A subway has its own tracks, separate from the roads used by cars.”

地铁为什么跑得快第 4 页插图

车门关好，列车沿着轨道滑进黑亮的隧道。

The doors closed, and the train glided along its rails into a shining tunnel.

地铁为什么跑得快第 5 页插图

隧道里没有红绿灯和十字路口，列车可以连续向前。

Inside the tunnel there are no traffic lights or crossroads, so the train can keep moving forward.

地铁为什么跑得快第 6 页插图

轨道像两条平行的路，车轮沿着它们保持方向。

The rails are like two parallel roads, guiding the wheels in one direction.

地铁为什么跑得快第 7 页插图

车轮转动时，轨道帮它少拐弯、少颠簸，车身便稳稳向前。

As the wheels turn, the rails reduce sharp turns and bumps, helping the train move steadily.

地铁为什么跑得快第 8 页插图

列车驶过一站又一站，屏幕上的颜色提示下一次停靠。

The train passed one station after another, while simple colors on a screen hinted at the next stop.

地铁为什么跑得快第 9 页插图

快到站时，列车慢下来，停在站台的安全线外。

Near the station, the train slowed and stopped beside the platform, behind the safety line.

地铁为什么跑得快第 10 页插图

安安发现：快，不只是跑得快，还要准时、平稳、停得住。

An'an discovered that being fast also means arriving on time, moving smoothly, and stopping safely.

地铁为什么跑得快第 11 页插图

她们走出地下站，城市的汽车在地面慢慢排成一队。

They came back above ground, where city cars moved in a slow, patient line.

地铁为什么跑得快第 12 页插图

安安抱紧新借的书，又问：“消防车为什么要鸣笛呢？”

Holding her new book close, An'an asked, “Why do fire trucks sound their sirens?”

地铁在专用轨道上行驶，少遇路口和拥堵；平顺的车轮与轨道让它稳定前进。

A subway travels on its own tracks, away from traffic and crossings. Smooth wheels and rails help it move steadily.

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