词汇	协定年度
释义	协定年度 agreement year
随便看	submarine sandwiches Submarine Satellite Information Exchange System submarine's awash proceeding state submarine scarp Submarine School Graduate submarine science submarine scout submarine scouting force submarine's cruising state submarines dive submarine sea-going boat submarine seamless line pipe submarine search submarine search attack unit submarine-searching operation submarine search periscope submarine search sonar submarine secure depth sounder submarine sediment submarine sedimentation submarine sedimentology submarine sediments submarine seepages Submarine seismic observation submarine seismograph