FAQs About the word undercover

卧底

conducted with or marked by hidden aims or methods

秘密地,暗中,偷偷摸摸地,暗中地,隐秘地,偷偷地,地下,勾结地,阴谋地,幕后

公开,公开地

underconsumption => 消费不足, underconduct => 进行中, undercoated => 涂底层油漆, undercoat => 底毛, undercliff => 悬崖下,