Signed tree
[计] 符号表示的树
🧩 词语组成解析
signed
[saind]
adj. 有符号的，有正负之分的;
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
Do you have any tickets available for that date?
你们有那天的票吗？
Forgive others but not yourself.
待人宽，对己严。
Look, Scott.This is a photograph I took during my trip to Australia.
看，这是我到澳大利来旅行时拍的一张照片。