noun🔗Share顶桅帆，上帆。 A sail or either of the two sails rigged just above the course sail and supported by the topmast on a square-rigged sailing ship."The old sailing ship raised its topsail, catching the wind and picking up speed. "那艘老式帆船升起了顶桅帆，迎风加速，速度也提了上来。nauticalsailingvehicletechnicaloceanChat with AIVocabulary GamePractice Reading
noun🔗Share顶帆 In a fore-and-aft-rigged sailing boat, the sail that is set above the gaff at the top part of the mast."The sailor carefully raised the topsail to catch the extra wind above the gaff, hoping to increase the boat's speed. "水手小心地升起顶帆，想借助桅杆顶部横桁上方吹来的额外风力，从而提高船的速度。nauticalsailingChat with AIVocabulary GamePractice Reading
