单词	虚拟学习
释义	虚拟学习virtual learning
随便看	biotic equilibrium; biotic balance biotic equlibrium biotic factor biotic formation biotic-formation biotic formation; biome biotic habitat biotic habitat-- biotic environment biotic habitat--biotic environment biotic habitat; biotic environment biotic independent factor biotic index biotic insecticide biotic intrusion biotic isolation biotic potential biotic potential--breeding potential biotic potential; breeding potential biotic pressure biotic province biotic region biotic resistance biotics biotic succession biotic sympatric