ADJ-GRADED (声音或腔调)故作上流社会人士的 If you say that someone has a plummy voice or accent, you mean that they sound very upper-class. You usually use plummy to criticize the way someone speaks. (声音或腔调)故作上流社会人士的 [British, disapproval]
...precious, plummy-voiced radio announcers.
矫揉造作、拿腔拿调的电台播音员
...a plummy accent.
故作上流社会人士的口音
SYN deep, posh [informal, mainly British], refined, upper-class