STEM与日常科技·英语30篇（5）

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能感知动作并发送警报的智能织物

Engineers weave ultra-fine silver-coated nylon threads into everyday fabrics like cotton or polyester.
These conductive fibers act like invisible sensors, detecting stretch, pressure, and bending in real time.
When a person falls or stops moving for over 60 seconds, the fabric triggers a wireless alert to caregivers.
No batteries are needed—the motion itself generates tiny electrical pulses via piezoelectric effect.
Washable prototypes survive 50+ cycles without losing sensitivity or conductivity.
Elderly users report feeling safer wearing these shirts than carrying separate emergency pendants.
Athletes also use similar textiles to monitor posture and muscle fatigue during training.
The data flows securely to apps that visualize movement patterns over days or weeks.
Unlike rigid wearables, smart textiles feel like regular clothes—so people actually wear them consistently.
This fusion of textile engineering, electronics, and human-centered design makes safety both soft and smart.

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

Washable prototypes survive 50+ cycles without losing sensitivity or conductivity. 可水洗的原型经50多次洗涤后仍保持灵敏度与导电性。
Engineers weave ultra-fine silver-coated nylon threads into everyday fabrics like cotton or polyester. 工程师将超细银涂层尼龙丝编织进棉或涤纶等日常面料中。
No batteries are needed—the motion itself generates tiny electrical pulses via piezoelectric effect. 无需电池——运动本身通过压电效应产生微弱电信号。

这篇中文题目最接近哪一句？能感知动作并发送警报的智能织物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？工程师将超细银涂层尼龙丝编织进棉或涤纶等日常面料中。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） Smart Textiles That Sense Motion and Send Alerts How to cook noodles A maths worksheet

Washable prototypes survive 50+ cycles without losing sensitivity or conductivity.

Washable prototypes survive 50+ cycles without losing sensitivity or conductivity.

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：Washable prototypes survive 50+ cycles without losing sensitivity or conductivity.