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
Do you mind if I pay in RMB?
你们介意我付人民币吗？
Mettle is dangerous in a blind horse.
瞎马鼓勇气，正是危险事。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。