Pitching
来自Big Physics
etymonline
pitching (n.)
late 14c., "act of planting or fixing in the ground," verbal noun from pitch (v.1). From 1650s as "act of throwing or hurling;" specifically in baseball by 1858.
pitching (n.)
late 14c., "act of planting or fixing in the ground," verbal noun from pitch (v.1). From 1650s as "act of throwing or hurling;" specifically in baseball by 1858.
