The ground is as hard as stone after the drought.

长期干旱后土地硬得就像石头一样.

《简明英汉词典》

Although it feels as hard as stone, it easily melts, when heated.

虽然它摸起来像石头一样硬, 可是加热后很容易熔化.

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The grind is as hard as stone after the drought.

长期乾旱之后土地硬得就像石头一样.

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Her face was as hard as stone.

她表情僵硬.

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Although it feels as hard as stone it easily melts when it is heated.

虽然摸起来像石头一样硬,可是加热后很容易溶化.

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