B-tree
[计] B树
🧩 词语组成解析
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'm relieved to hear that.
你的话使我松了一口气。
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。