noun🔗Share主桅，正桅 The chief, and tallest mast of a sailing ship that has more than one mast."The sailor climbed the mainmast to get a better view of the approaching storm. "水手爬上正桅，想更好地观察正在逼近的风暴。nauticalsailingvehicletechnicalChat with AIVocabulary GamePractice Reading
