backfill
verb /ˈbækfɪl/
/ˈbækfɪl/
动词形式
| present simple I / you / we / they backfill | /ˈbækfɪl/ /ˈbækfɪl/ |
| he / she / it backfills | /ˈbækfɪlz/ /ˈbækfɪlz/ |
| past simple backfilled | /ˈbækfɪld/ /ˈbækfɪld/ |
| past participle backfilled | /ˈbækfɪld/ /ˈbækfɪld/ |
| -ing form backfilling | /ˈbækfɪlɪŋ/ /ˈbækfɪlɪŋ/ |
- backfill something to fill a hole with the material that has been dug out of it
回填（用挖出的材料重新填回洞穴）