The toughness, lightness, strength, and elasticity of whalebone gave it a wide variety of uses.

鲸须的坚韧、轻巧、结实而又有弹性赋予它广泛的用途。

《柯林斯英汉双解大词典》

Now, though, a novel type of steel has been developed that resists fractures at much lower temperatures, while retaining its strength and toughness—without the need for expensive additives.

然而现在，一种新型的钢已经被开发出来，它可以在更低的温度下抵抗断裂，同时保持其强度和韧性，而不需要昂贵的添加剂。

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The resulting steel appears to achieve a combination of strength and toughness that is comparable to that of modern steels that are very rich in alloy content and, therefore, very expensive.

由此产生的钢似乎达到了强度和韧性的结合，这与合金含量非常高因而非常昂贵的现代钢相当。

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Unfortunately, because of their higher strength and toughness, HSLA steels need 30% more energy to form them into useful shapes.

ECONOMIST: Tech.view: Unbearable lightness? | The

Can they hold up, their strength, toughness?

NEWYORKER: Most Likely to Succeed

This rugged country cultivates a toughness and strength that most Westerners lack.

BBC: Nepal's year-round trekking route