词汇	plumber's butt
释义	plumber's butt 🌏水管工的屁股
随便看	submarine's relative diving submarine's relative surfacing Submarines Scouting Force submarines surface submarine's surface proceeding state submarine station Submarine steel submarine storage battery Submarines to swim like fish submarine stratigraphy submarine striking force submarine striking forces submarine's trimmed diving submarine's trimmed surfacing submarine structural chart submarine structure submarine structure global vibration submarine submerged depth submarine submerged handling Submarine Submersible Ballistic Nuclear submarine subsection submarine sulfur deposit submarine sulfur mine submarine sulfur mining submarine sulphur deposit