adj.无法表明的；不可论证的

The existence of parallel universes remains an undemonstrable concept in physics.
在物理学中，平行宇宙的存在仍然是一个未经证实的概念。
His claim that he can read minds is undemonstrable, as there is no empirical evidence to support it.
他声称能读心的能力没有得到证明，因为没有实证证据来支持这一点。
The existence of life after death is an undemonstrable proposition, as it cannot be conclusively proven or disproven.
死后生命的存在是一个无法证实的假设，因为它既不能被证实也不能被否定。
Despite his fervent beliefs, hisESP abilities remain undemonstrable, leading many to doubt his claims.
尽管他深信不疑，但他的超能力仍未得到证实，许多人对他的说法持怀疑态度。
The idea that global warming is solely caused by human activity is undemonstrable without comprehensive scientific evidence.
没有全面的科学证据，认为全球变暖完全是由人类活动引起的这一观点尚未得到证实。
His extraordinary healing powers have not been conclusively demonstrated, leaving room for skepticism.
他的神奇治愈能力并未得到确凿的证实，因此仍有人持怀疑态度。
The theory of a universal consciousness is currently undemonstrable, awaiting further research and evidence.
全能意识理论目前尚无定论，有待进一步的研究和证据。
Critics argue that the supposed benefits of meditation are largely undemonstrable, lacking substantial empirical proof.
批评者认为冥想的好处大多未经证实，缺乏实质性的证据支持。
The existence of aliens is an undemonstrable hypothesis, as no definitive proof has been found despite numerous search efforts.
外星人的存在是一个未经证实的假设，尽管进行了多次搜寻，但还没有找到确凿的证据。
The claim that telekinesis is a real ability is undemonstrable, as no controlled experiments have consistently replicated its effects.
移动物体心灵感应的能力声称是真实的，但没有经过控制实验的反复验证。