to fill (a trench or hole) with the soil that was dug out of it
to replace (soil) in a hole or trench, e.g. after an archaeological investigation
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| 单词 | backfill |
| 释义 | backfill1verb transto fill (a trench or hole) with the soil that was dug out of it to replace (soil) in a hole or trench, e.g. after an archaeological investigation backfill2nounsoil dug out of a hole or trench and later used to refill it |
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