A demonstrable fact or quality can be shown to be true or to exist.
例句
The road safety programme is having a demonstrable effect on road users...道路安全方案在道路使用者身上逐渐显现出明显的效果。Despite its demonstrable speed and safety, the boat failed to become popular.虽然其速度和安全性都可得到证明,但这种船还是不受欢迎。
英汉词典释义
adj.
可表明的,可论证的
a demonstrable fact可证实的事实
英英词典释义
Adjective
1. necessarily or demonstrably true;
"demonstrable truths"
2. capable of being demonstrated or proved;
"obvious lies""a demonstrable lack of concern for the general welfare""practical truth provable to all men"- Walter Bagehot