Talk:Pig dragon

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In “A pig dragon or zhūlóng (Chinese: t 玉豬龍, s 玉猪龙[1]) is a type of jade artifact”, why is “zhūlóng” transcribed as “玉豬龍” (“yùzhūlóng”, “jade pig dragon”)? Patrick Xarles Hayes (talk) 17:28, 6 November 2013 (UTC)