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 modem steels that are very rich in alloy content and, therefore, very expensive.

产出的钢在强度和韧性方面的综合性能可与合金含量非常丰富的现代钢相媲美，因此价格非常昂贵。

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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