Plane tree
[计] 平面树, 有序树
🧩 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
We're particularly interested in your line of rackets.
我们对贵公司的球拍系列特别感兴趣。
Is that a book?
那是一本书吗？
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。