Undemonstrable
a. 无法表明的, 不可论证的
✅ 同义词
🗣️ 情景例句
As soon as he left his table.
他刚离开桌子。
Wisdom is a good purchase though we pay dear for it.
我们为了求知识，付出高价也值得。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。