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
Even if they are kind to Gemma,
即使他们对Gemma很好
I may be wrong, but your theory is all wrong, professor.
也许我不对，不过，教授您的理论是完全错了。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。