科学素养与生活应用·英语30篇（1）
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The Hidden Role of Titanium in Your Eyeglasses and Bicycles
钛在眼镜和自行车中的隐性作用
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Titanium is stronger than steel but nearly half as heavy, making it ideal for wearable gear.钛比钢更坚固，但重量却几乎只有其一半，非常适合可穿戴装备。
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Its resistance to corrosion means titanium frames won’t rust near sweat or sea air.钛耐腐蚀，因此钛制镜架在汗液或海风环境中不会生锈。
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Unlike aluminum or plastic, titanium bends without breaking—a key safety feature in bikes.与铝或塑料不同，钛受力弯曲而不断裂，这是自行车的关键安全特性。
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Manufacturers alloy it with small amounts of aluminum or vanadium to fine-tune flexibility.制造商通过添加少量铝或钒制成合金，以精确调节其柔韧性。
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Though more expensive, its durability cuts long-term replacement costs for eyewear users.尽管价格更高，但其耐用性降低了眼镜用户的长期更换成本。
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Recycling titanium is energy-intensive, so engineers design parts for extended reuse instead.回收钛能耗高，因此工程师设计部件时优先考虑长期重复使用。
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Material scientists continue testing new titanium composites that balance strength, weight, and cost.材料科学家持续测试新型钛复合材料，以平衡强度、重量与成本。
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This metal quietly supports human mobility—from vision correction to urban commuting.这种金属默默支撑着人类的移动需求——从视力矫正到城市通勤。