Unsaturated tree
[计] 非饱和树
🧩 词语组成解析
a. 没有饱和的, 不饱和的
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
They're so thoughtful.
他们真周到。
Fine feathers do not make fine birds.
人不可貌相。
I looked at the map and then at the millimeter.
我看了看地图，又查了一下里程表。