中学一年级 · 阅读系列
Lesson 36 · A Hot Street and a Cool Park
文体：街头观察 · 朗读音轨 36
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边听边想：街道和公园为什么有温差？
展开英文短文，再悬停查词
At noon, Aya walks from a hot street into a park. The pavement feels much warmer than the ground under a tree.
Leaves make shade. Trees also take in water and release some through their leaves. This can cool nearby air. Dark roads absorb much of the sun’s energy, so their surface temperature can rise.
Cities with many hot buildings and roads can form a heat island. More trees help, but people also need water, rest, and cool places on very hot days.
逐句跟读
点击任意一句听 Dicvo 的 Jenny 英语语音；开始连续播放前可选择每句播放次数。同一句的每遍之间、切换到下一句之前，都会留出约一遍句子时长供你跟读。原有整篇朗读仍可在上方播放。
请选择一句开始。
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At noon, Aya walks from a hot street into a park.
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The pavement feels much warmer than the ground under a tree.
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Leaves make shade.
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Trees also take in water and release some through their leaves.
-
This can cool nearby air.
-
Dark roads absorb much of the sun’s energy, so their surface temperature can rise.
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Cities with many hot buildings and roads can form a heat island.
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More trees help, but people also need water, rest, and cool places on very hot days.
读懂了什么？
读完后，试着用一句话说出本文的主要意思，并从原文找出支持它的一句话。
查看中文译文
中午，Aya 从炎热的街道走进公园。铺装路面摸起来比树下的土地热得多。
树叶形成阴影。树木吸收水分后，也会通过叶片散出一些水分，帮助周围空气降温。深色道路吸收大量太阳能，表面温度可能升高。
城市里如果有许多发热的建筑和道路，就可能形成热岛。增加树木有帮助；不过，极热的日子里，人们仍需要补水、休息和寻找阴凉的地方。
本课重点词语
以下是本课重点词语的中文讲解；英文正文中有虚线的单词可悬停查看词义和发音。
- hot
- 热的；炎热的。
- park
- 公园。
- pavement
- 铺装路面；人行道的硬质表面。
- tree
- 树。
- shade
- 阴凉处；树荫。
- cool
- 凉爽的；使……冷却。
- absorb
- 吸收。
- surface temperature
- 表面温度。
- heat island
- 热岛效应；城市比周围地区更热的现象。
- cool place
- 凉快的地方。
背景知识
道路和建筑吸收太阳能，使热量聚集在城市。树木既提供树荫，也通过蒸腾作用帮助周围降温，还能截留一部分雨水。不过，只增加绿化不能完全消除酷暑风险，仍需要多种防暑措施。
资料来源：U.S. EPA, Benefits of Trees and Vegetation。