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
Well begun, half done.
良好的开始，就是成功了一半。
Do you like football?
你喜欢足球吗？
It's Dr Stone, isn't it? She's usually good.
是斯通博士，对吗？她一直很不错的。