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
And there's so much to do.
而且这里总是有许多事可做。
That radio's pretty loud. Could you turn it down, please?
收音机太响了，你能把声音开小一点吗？
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。