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
He had blond hair.
他原来是金色头发 。
You'll solve the problem if you concentrate upon it.
如果全神贯注，你就会解决这个问题。
Hello, Jim! Did you have a good time at the cinema?
你好，吉姆！你在电影院过得很开心吧？