0 a long thin object put inside a tube in the body, for example a blood vessel, so that its walls stay firm or so that body fluids can flow easily through it --
1 a small piece of mesh that keeps any tube-like body structure open so body fluids can flow freely through it --
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.