chi̍t-phòng-chi̍t-nah一膨一凹

bumpy

bumpy (of the surface of an object)

English Wiktionary, “一膨一凹” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E4%B8%80%E8%86%A8%E4%B8%80%E5%87%B9 · confidence: Medium (Wiktionary)