Retrieval tree
[计] 检索树
🧩 词语组成解析
retrieval
[ri'tri:vəl]
n. 收回，挽回;检索;
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 keep in touch with my family regularly.
我定期和家里保持联系。
As soon as I get to Guangzhou, I'll drop you a line.
我一到达广州，就给你写信。
You have to be able to check instructions.
你必须会查对说明。你必须会筹划工作。