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spots; speckles; mottles
古文書にぶちの馬に乗った武将の記述がある。
An old document describes a general riding a piebald horse.
ぶちの牛は珍しいため市場で高値がついた。
The piebald cow fetched a high price at market because it was rare.
庭の石壁は年月を経てぶちのような色合いになった。
The stone wall in the garden took on a mottled coloring over the years.