openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开open debt未清欠帐,未清债务

1. There are forest, spinney, open woodland, plough field, grass and rock around the Great Wall.
   长城周围的土地利用类型主要有有林地，灌木林，疏林地，耕地，荒草地和裸岩。