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词典释义
1.hard limestone
网络例句
以下结果来自互联网
- Limestone cliffs; limestone walls.

石灰岩峭壁;石灰岩墙 - Rock, usually limestone, composed of oolites.

岩石岩石,通常指石灰岩,由鲕粒岩组成 - Rock, usually limestone, composed of pisoliths.

豆石,豆岩由豆石构成的岩石,常为石灰岩 - A small round calcareous grain found, for example, in limestones.

鲕粒岩含有圆形小颗粒的石灰质岩石,如在石灰岩中 - A dark soil that develops under grass on limestone and chalk.

黑色石灰土在石灰岩和石灰上生长的草下形成的黑色土壤
网络释义
以下结果来自互联网
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1.
hard limestone
hard leather 硬革...hard limestone 硬石灰岩...hard limited integrator 硬限量积分器; 硬性受限积分器
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