英语词汇backfill怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	backfill
释义	N4791838backfillSpoken.1Fiction.0Magazine.12Newspaper.5Academic.20 verb noun backfill /ˈbækfɪl/ verb with obj. refill (an excavated hole) with the material dug out of it 回填; 覆土于。 noun mass noun material used for backfilling 回填料。
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