| 1. | The limestone must be calcined in such a way . 石灰石必须煅烧到这样地步。 |
| 2. | Limestone deposits are prevalent . 石灰石的蕴藏到处都有。 |
| 3. | Limestone is rock composed of calcium carbonate . 石灰石是由碳酸钙所构成的岩石。 |
| 4. | Cement is made from limestone . 水泥是由石灰石造成的。 |
| 5. | Limestone had been carved away . 石灰石已被开采运走。 |
| 6. | Economically minable limestone does not occur so frequently . 经济上值得开采的石灰石并不这样多。 |
| 7. | There the soil is from weathered limestone soil or loess . 那里的土壤是经过风化作用的石灰石土壤或黄土。 |
| 8. | Dee broke off a piece of limestone and thumbed it into the stream . 迪伊掰下一块石灰石,用拇指弹进河里。 |
| 9. | Round about, piles of limestone glistened in all the colours of the rainbow . 四周成堆的石灰石闪耀着彩虹般的缤纷色彩。 |
| 10. | This recording was taken on weathered outcropping limestone with a relatively short ab (40m) . 这是在风化突出的石灰石上用较小的AB踞(40m)记录的。 |