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1. | clay and sand pit |
| 泥沙矿坑 |
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2. | They then built the sand pit initially with bricks, covered the bricks with concrete and then put small |
| 然后就是用砖块做沙坑,为了保持自然形态,在砖头上浇注了混凝土并铺上小石子。 |
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3. | The children were playing in the sand pit. |
| 孩子们在沙坑中玩耍。 |
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4. | Go down the sand pit and dig for the bones of stegosaurus! |
| 快到大沙坑里挖掘剑龙的骨头吧。 |
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5. | marine sand borrow pit |
| 采海沙坑 |
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6. | An empty marine sand borrow pit in East Sha Chau for contained disposal of contaminated mud came into |
| 一九九七年底,东沙洲另一个空置采海砂坑正式启用,供密封式卸置污泥用途。 |
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