科学素养与生活应用·英语30篇（5）

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压电地板砖如何将脚步转化为电能

Piezoelectric floor tiles contain crystals that produce voltage when mechanically stressed.
Each step compresses the tile slightly, causing internal charge separation and current flow.
The generated electricity powers nearby LED lights or feeds into a building’s microgrid.
Installations in Tokyo train stations harvest enough energy to run digital signage daily.
Efficiency remains low—about 5%—but improves with optimized crystal alignment and load distribution.
Researchers combine ceramic and polymer composites to enhance durability and sensitivity.
Unlike solar panels, these tiles work equally well indoors, at night, or during rain.
Urban planners consider them for high-traffic zones like subway entrances and shopping malls.
Long-term testing shows minimal performance loss after ten million compression cycles.
This application demonstrates kinetic energy harvesting as a practical supplement to renewable sources.

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

Piezoelectric floor tiles contain crystals that produce voltage when mechanically stressed. 压电地板砖内含晶体，受机械应力时可产生电压。
Researchers combine ceramic and polymer composites to enhance durability and sensitivity. 研究人员将陶瓷与聚合物复合材料结合，以增强耐用性和灵敏度。
Long-term testing shows minimal performance loss after ten million compression cycles. 长期测试显示，经历一千万次压缩循环后性能衰减极小。

这篇中文题目最接近哪一句？压电地板砖如何将脚步转化为电能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？压电地板砖内含晶体，受机械应力时可产生电压。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） How Piezoelectric Floor Tiles Generate Electricity from Footsteps How to cook noodles A maths worksheet

Piezoelectric floor tiles contain crystals that produce voltage when mechanically stressed.

Piezoelectric floor tiles contain crystals that produce voltage when mechanically stressed.

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：Piezoelectric floor tiles contain crystals that produce voltage when mechanically stressed.