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
Wow, your head's burning up!
哎呀，你的头真烫！
I could swear I've been here before.
我敢发誓我曾经来过这儿。
You look great today.
你今天看上去很棒。