STEM与日常科技·英语30篇（5）

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外骨骼如何在行走与攀爬中回收能量？

Modern wearable exoskeletons capture kinetic energy when users bend their knees or lower their hips.
Spring-loaded actuators and regenerative braking systems convert motion into stored electrical or mechanical energy.
During stair descent, motors act as generators, slowing movement while charging onboard batteries efficiently.
This recovered power helps extend battery life by up to thirty percent during eight-hour work shifts.
Engineers tune damping ratios so energy return feels natural, not robotic or delayed.
Unlike passive braces, smart exoskeletons adjust recycling rates based on real-time gait analysis and load sensors.
Field tests show warehouse workers lift heavier boxes with less fatigue thanks to recycled assistive torque.
Energy recovery works best on repetitive motions, making it ideal for logistics, construction, and rehabilitation.
Thermal losses still occur, but new piezoelectric composites reduce heat waste during conversion.
Ultimately, these systems turn human motion itself into a sustainable power source for assistance.

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

Engineers tune damping ratios so energy return feels natural, not robotic or delayed. 工程师调节阻尼比，使能量回馈感觉自然，而非僵硬或延迟。
Thermal losses still occur, but new piezoelectric composites reduce heat waste during conversion. 热损耗依然存在，但新型压电复合材料可减少转换过程中的热量浪费。
Spring-loaded actuators and regenerative braking systems convert motion into stored electrical or mechanical energy. 弹簧驱动执行器和再生制动系统将运动转化为储存的电能或机械能。

这篇中文题目最接近哪一句？外骨骼如何在行走与攀爬中回收能量？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？现代可穿戴外骨骼在用户屈膝或下蹲时捕获动能。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 Exoskeletons Recycle Energy During Walking and Climbing How to cook noodles A maths worksheet

Engineers tune damping ratios so energy return feels natural, not robotic or delayed.

Engineers tune damping ratios so energy return feels natural, not robotic or delayed.

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：Engineers tune damping ratios so energy return feels natural, not robotic or delayed.