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
How are you?
好吗？
What time did you use to get up last year?
你去年时常什么时间起床？
All the other girls are Chinese.
其余的女孩是中国人。