The word "兰屿" is formed by combining the character "兰", which denotes orchid or functions as a namesake element, with the character "屿", meaning island, to create a compound term that specifically identifies an island known as Orchid Island.
Word Definition - 兰屿
lán yǔLanyu or Orchid Island township in Taitung County 臺東縣|台东县[tái dōng xiàn], southeast Taiwan