unplumbed | BrE ʌnˈplʌmd, AmE ˌənˈpləmd | adjective ① literal (not measured) 未用铅垂线测量的 wèi yòng qiānchuíxiàn cèliáng de ▸ unplumbed ocean depths 深不可测的海洋深处 ② figurative (not explored) 未探究的 wèi tànjiū de ; (not understood) 未充分了解的 wèi chōngfèn liǎojiě de ▸ to be as yet unplumbed 尚不为人知 |