Overlay tree structure
[计] 重叠树形结构
🧩 词语组成解析
overlay
[,əuvə'lei, 'əuvəlei]
v. 覆盖;镀金;
n. 覆盖物;轮廓纸;
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
Would you describe yourself as outgoing or more reserved?
你认为你是个外向的人还是内向的人？
I'm too young.
我太年轻。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。