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
I have spent my whole life slaving away, it's time for me to take a break and see some of this great country.
我的一生都在忙碌中度过的，现在是休息的时候了，也是去游历这个伟大国家的时候了。
He is a manager of a famous corporation.
他是一家着名公司的经理。
Where did you go?
你去哪儿了？