Late 19th century; earliest use found in The British Medical Journal. From American Spanish mal del pinto from mal + del of the + pinto, use as noun of pinto painted, mottled.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。