ulceration

n: severe ulceration of the legs 腿部的严重溃烂.

ubiquity, UCCA, UDA, udder, UDI, UDR, UEFA, UFO (also ufo), ugh, ugli, ugliest, ugliness, ugly, ugly-looking, UHF, UHT, UK, ukulele, ulcer, ulcerate, ulcerous, ulna, ulterior, ultimate, ultimately, ultimatum, ultimo, ultra violet, ultra-, ultramarine, ultrasonic, ultrasound, ultraviolet, ululate, ululation, Ulyanovsk, umber, umbilical, umbilical cord, umbilicus,