олимпиада эрудит
Олимпиада эрудит: соревнования для умных.
ЧитатьSAND noun
[ U ] uk/sænd/ usB1 a substance that is found on beaches and in deserts, which is made from very small grains of rock
песок
a grain of sand
sand verb [ T ] uk/sænd/ us
to make wood smooth by rubbing it with sand paper (= strong paper with a rough surface)
шлифовать