ground-hog
ground-ice ground landlord ground line ground-man ground-nut ground-pine ground plan ground-plane ground plane antenna ground plot ground potential ground-reflected wave ground-rent ground return circuit ground return coupling ground rod ground rule ground speed ground-squirrel ground staff ground swell ground terminal ground-to-air communication ground torpedo ground-water ground-wire ground wire ground zero groundage |
ground-hog /'graund'hɔg/
danh từ
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