相关单词近义词 ground 地面, priming coat 打底层, primer coat [化] 底漆, primer 启蒙书, prime 最好的, flat coat 无光漆层, priming 装雷管, underfur (海獭、海豹等的)下层绒..., underseal 底封(基层处理)...临近词undertax, under, Under Cemetery, under pressure, under the skin, underbody flow, under handicap, underthroating, under sentence, undertone n., under pretense, under-screen相似词undercarriage, undercharge, underclass, underclothes, undercook, undercover, undercurrent, undercut, 返回 undercoat