相关单词近义词 plug 塞子, slog 艰难行进keep one's nose to the grindstone, 埋头苦干, peg away 坚待不懈地工作...临近词Plugge, plug, plugging instrument, plug-flow reactor, plug-in waveguide, plug and receptacle, plug-finishing bu, plugging up circuit, plug flow fermentor, plug steam flooding, plug-in tabulator, plug in transformer 返回 plug away