Reachability tree
[计] 可达树
🧩 词语组成解析
[计] 可达性\\n[化] 可达性; 能达性
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
Away from the telephones and account books.
远离电话和帐簿。
Change is in the air.
人们感觉即将发生变革。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。