经济学
田野伞菌
Other activities include horse riding, hiking and hunting for the largest edible mushroom in the world, which grows up to 1m in diameter.
BBC: Escaping modern life in Zambia??s north
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。