I started hiking there .up a long,sloping hill to almost impenetrable stand of trees called Bear Wood (Para 4) impenetrable stand of trees:trees growing so thick that they are impossible to go through or enter into一片无法通过的树丛 stand;trees growing in a given area 个体植物群丛 I started hiking there ., up a long, sloping hill to almost impenetrable stand of trees called Bear Wood (Para 4) • impenetrable stand of trees: trees growing so thick that they are impossible to go through or enter into 一 片 无 法 通 过 的 树 丛 • stand; trees growing in a given area 个 体 植 物 群 丛