STEM与日常科技·英语30篇（2）

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3D打印为儿童与成人定制假肢手

Traditional prosthetic hands cost thousands of dollars and take months to fabricate in specialized labs.
3D printing lets clinics produce lightweight, colorful, and fully functional hands in under a week.
Designs are customized using scans or measurements, so each hand fits the user’s unique anatomy.
Many open-source models are freely downloadable and adjustable for growth—ideal for children who outgrow limbs quickly.
Tendon-driven mechanisms use flexible filaments to mimic finger bending without expensive motors.
Therapists collaborate with engineers to refine grip strength and range of motion for daily tasks.
Some schools run prosthetic clubs where students print and assemble hands for local patients.
Though not yet strong enough for heavy labor, these hands restore independence in school and play.
New biocompatible materials also allow direct skin contact without irritation over time.
This blend of compassion, computation, and craftsmanship shows how tech serves human dignity.

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

Tendon-driven mechanisms use flexible filaments to mimic finger bending without expensive motors. 肌腱驱动机构采用柔性线材模拟手指弯曲，无需昂贵电机。
New biocompatible materials also allow direct skin contact without irritation over time. 新型生物相容材料还可实现长期直接皮肤接触而不引发刺激。
This blend of compassion, computation, and craftsmanship shows how tech serves human dignity. 这种融合仁心、计算与工艺的技术，彰显科技对人类尊严的守护。

这篇中文题目最接近哪一句？ 3D打印为儿童与成人定制假肢手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？传统假手价格高达数千美元，且需在专业实验室耗时数月才能制成。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） 3D Printing Custom Prosthetic Hands for Children and Adults How to cook noodles A maths worksheet

Tendon-driven mechanisms use flexible filaments to mimic finger bending without expensive motors.

Tendon-driven mechanisms use flexible filaments to mimic finger bending without expensive motors.

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：Tendon-driven mechanisms use flexible filaments to mimic finger bending without expensive motors.