FAQs About the word undercover

臥底

conducted with or marked by hidden aims or methods

秘密地,暗中,偷偷摸摸地,暗中地,隱密地,偷偷地,地下,勾結地,陰謀地,幕後

公開,公開地

underconsumption => 消費不足, underconduct => 進行中, undercoated => 塗底層油漆, undercoat => 底毛, undercliff => 懸崖下,