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
It can go beyond the school system, Ellen.
这可以推广到学校体制以外， Ellen。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
If, as has been reported, they have protected humans from sharks,
正如报道中所说，如果海豚保护人不受鲨鱼侵害，