Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/83cab779ebb553a63c6b4993d4988062.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 tree line英英字典_tree line剑桥英语解释_tree line柯林斯英文解释_甲百匯小鸡词典
1. N the zone, at high altitudes or high latitudes, beyond which no trees grow. Trees growing between the timberline and the tree line are typically stunted 林木線; 指高海拔或高緯度地區樹木生長的上限