0 a piece of equipment used to measure the density (= amount of matter in a particular quantity) of liquids, especially a long glass tube, closed and with a weight at one end so that it floats vertically --
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.