这个词是什么意思？
The continents and countries situated on those continents; the UNITED STATES and each of the constituent states arranged by region; CANADA and each of its provinces; AUSTRALIA and each of its states; the major bodies of water and major islands on both hemispheres; and selected major cities.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D005842 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.