| 释义 |
back·fillBrE /ˈbækfɪl/ NAmE /ˈbækfɪl/ verb present simple - I / you / we / they backfillBrE /ˈbækfɪl/ NAmE /ˈbækfɪl/ present simple - he / she / it backfillsBrE /ˈbækfɪlz/ NAmE /ˈbækfɪlz/ past simple backfilledBrE /ˈbækfɪld/ NAmE /ˈbækfɪld/ past participle backfilledBrE /ˈbækfɪld/ NAmE /ˈbækfɪld/ -ing form backfillingBrE /ˈbækfɪlɪŋ/ NAmE /ˈbækfɪlɪŋ/ ~sth 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） |