Undemonstrable
a. 无法表明的, 不可论证的
✅ 同义词
🗣️ 情景例句
You should perform what you promised to do.
你应该履行诺言。
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
Although an ocean wave gives the impression of a wall of water moving in your direction,
虽然，海浪给人的印象是一堵由水组成的墙向你压过来，