短语
跨越树
spanning tree
树生越桔-树生越桔
Vaccinium dendrocharis Hand
越橘树
Tyrostat
草莓树状越桔
Vaccinium arbutoides
穿越松树林
Passing Pineview Forest
桦树、沼泽越桔
bog bilberries
逾越树
spanning tree
绿树数目越来越少
green tree growing less
;
Fewer number of trees
最小跨越树
Minimum Spanning Tree
北京越来越多树
beijing more and more trees