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
Sounds like fun.
听起来好像蛮好玩的。
I often have lunch at noon.
我常常在中午吃午饭。
It was mailed last week.
上个礼拜我们还没收到。