Indemonstrable
a. 不能证明的
✅ 同义词
🗣️ 情景例句
How long will this letter take to get there?
这封信需要多长时间到那儿？
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
Not only are the means of arriving at the holiday paradise entirely within one's own command and keeping,
完全在自己掌握之中的私人汽车不仅是到达假日天堂的工具，