C a plant that is smaller than a tree and has a lot of thin branches growing close together 灌木；灌木丛
a holly/rose/currant bush 冬青/玫瑰/醋栗丛
2
the bush areas in hot countries like Australia and Africa that are not used for growing crops. They are usually far from cities and very few people live there . （澳大利亚和非洲等热带国家的）未开垦地区，偏僻地区