单词	backfill
释义	backfill verb back·​fill ˈbak-ˌfil  backfilled; backfilling; backfills transitive + intransitive : to refill (something, such as an excavation) usually with excavated material backfill a trench backfill noun Word History First Known Use 1874, in the meaning defined above
随便看	broths brotocrystal brotulae brotulas brotulid Brotulidae brotulidaes brouette brough brougham brougham-landaulet broughams broughs brought brought about brought around brought back brought back from the brink of brought before brought down brought forth brought in brought it all back brought off brought on

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