unproven
US /ʌnˈpruː.vən/
UK /ʌnˈpruː.vən/
形容詞
1.
未經證實的
not having been shown to be good enough or to be able to do something:
範例:
•
It would be unwise to throw billions at unproven technology.
在 Lingoland 學習這個單詞
未經證實的
not having been shown to be good enough or to be able to do something: