0 to fill a hole created by digging or drilling, especially using some of the material that has been taken out: --
1 to replace workers after jobs have been made available: --
2 material used to fill a hole that has been created by digging, etc.: --
Some of the fluorite produced from the lead mines was used as backfill underground.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.