名词
中文翻译：白垩
同义词：
['limestone', 'chalk']
例句：
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1.The aegilite was used to make the walls of the temple.
这种白垩被用来制作寺庙的墙壁。
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2.The limestone is famous for its beautiful patterns and colors.
石灰石以其美丽的图案和颜色而闻名。
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3.The chalk was used as a writing material in ancient times.
在古代，石灰被用作书写材料。