biochoreyoudaoicibaDictYouDict[biochore 词源字典]
"A group of similar biotopes; a subdivision of the biosphere (with various possible ranks), (also) specifically the largest such division, as forest, desert, grassland, etc", Early 20th cent.; earliest use found in The Botanical Gazette. From German Biochore from bio- + ancient Greek χώρα place, country.[biochore etymology, biochore origin, 英语词源]