Pitching

来自Big Physics
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etymonline

ref

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.

取自“https://www.bigphysics.org/index.php?title=Pitching&oldid=28232”