groundbreaking adj.創(chuàng)新的groundbreaker n.革新者groundberry n.硬毛黑莓;冬青樹groundbeam 橫梁groundball n.滾地球groundbait n.釣魚時扔入和或湖中;引誘魚的魚餌groundauger n.地鉆groundair adj.陸空的groundage n.停泊費(fèi);進(jìn)港稅ground-wire n.地線ground-water yield [地球科學(xué)]地下水可采量ground-water source [地球科學(xué)]地下水源ground-water soil [地球科學(xué)]潛水土ground-water area [地球科學(xué)]地下水域ground-up adj.碾碎的;磨成粉的ground-tackle 錨泊裝置ground-swell (n.) ground-subsidence 地面塌陷ground-state n.基態(tài)ground-resistance 接地電阻