032 抄近路

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Julie and Doug arrived at Tim's house very excited

朱莉和道格非常兴奋地来到了蒂姆的家。

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The three friends were going to hear Lisa Byrd sing

三个朋友要去听丽莎·伯德唱歌。

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Lisa was a famous performer

丽莎是一位著名的表演者。

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" I can't believe Lisa grew up in our town!" said Julie

“我真不敢相信丽莎是在我们镇上长大的！”朱莉说。

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" Her parents own the Byrd Music School where she is performing," said Tim

“她的父母拥有她正在表演的伯德音乐学校，”蒂姆说。

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" I can't believe our parents are letting us go alone!" said Doug

“我真不敢相信我们的父母让我们自己去！”道格说。

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" It's not very far," said Tim, rolling his wheelchair to his desk

“不太远，”蒂姆说着，把轮椅转到书桌前。

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" I take piano lessons there every week."

“我每周都在那里上钢琴课。”

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Tim opened a map on his desk

蒂姆打开书桌上的一张地图。

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He followed the streets on the map with his finger

他用手指沿着地图上的街道走。

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" You go north on Oak Street, turn east on Elm Drive, then north on Maple Street."

“你沿橡树街往北，在榆树路向东转，然后在枫树街向北走。”

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" Here's a shortcut!" said Doug

“这里有一条近路！”道格说。

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He pointed to a path through the park

他指着一条穿过公园的小路。

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" That's not a shorter route," said Tim

“那不是一条更短的路线，”蒂姆说。

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" The streets are straight. The path in the park is squiggly."

“街道是笔直的。公园里的小路弯弯曲曲的。”

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" A straight line is the shortest distance between two points," said Julie

“两点之间直线最短，”朱莉说。

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Doug looked at both routes on the map

道格看着地图上的两条路线。

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" I still think it's shorter to go across the park."

“我还是觉得穿过公园更近。”

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" Hmm," said Julie

“嗯，”朱莉说。

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" The shortest distance across an area is a diagonal."

“穿过一个区域的最短距离是走对角线。”

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She looked unsure." Let's measure the length of each route on the map."

她看起来不太确定。“我们在地图上量一下每条路线的长度吧。”

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Tim picked up a ruler." I'll measure the streets," he said

蒂姆拿起一把尺子。“我来量街道，”他说。

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Julie wrote down the lengths of the streets

朱莉记下了各段街道的长度。

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Then she added them together

然后她把它们加了起来。

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" The street route is ten centimeters."

“街道线路是十厘米。”

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" The map scale shows that each centimeter equals two hundred meters," said Tim

“地图比例尺显示，每一厘米等于两百米，”蒂姆说。

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" So it's two kilometers along the streets."

“所以沿着街道走是两公里。”

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Doug tried to measure the park path

道格试着量公园的小路。

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" It's hard to follow the squiggly line with the ruler."

“用尺子顺着这条弯弯曲曲的线量太难了。”

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Tim shook his head." That won't work."

蒂姆摇了摇头。“那样不行。”

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" I have an idea!" said Julie

“我有个主意！”朱莉说。

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She laid a piece of string over the path

她把一根细绳沿着小路放好。

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Then she marked the path's beginning and end on the string

然后在绳子上标出了小路的起点和终点。

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" Now we can just measure the string!"

“现在我们可以直接量绳子了！”

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Julie stretched the string straight

朱莉把绳子拉直。

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Then Doug used the ruler to measure the distance between the two marks

然后道格用尺子量了两个标记之间的距离。

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" It's two kilometers. The same distance as the street route!"

“是两公里。和街道那条路一样长！”

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The three kids looked at each other

三个孩子互相看了看。

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" Which way should we go?" asked Tim

“我们该走哪条路？”蒂姆问。

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" Through the park!" said Julie. She grinned

“穿过公园！”朱莉说。她咧嘴笑了。

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" We can hear the birds sing before we hear Lisa Byrd!"

“我们可以在听到丽莎·伯德唱歌之前，先听到鸟儿唱歌！”