YSK the length of your hand, forearm and at least a finger. It will be useful to measure things when there's no ruler nearby
from /r/YouShouldKnow
YSKは手のひら、前腕、最低でも指1本分の長さがあります。近くに定規がないときに物を測るのに便利でしょう
YSKは手のひら、前腕、最低でも指1本分の長さがあります。近くに定規がないときに物を測るのに便利でしょう
YSK the length of your hand, forearm and at least a finger. It will be useful to measure things when there's no ruler nearby
from /r/YouShouldKnow