noun 下载 🔗分享 主桅,正桅 The chief, and tallest mast of a sailing ship that has more than one mast. Examples : "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。 nautical sailing vehicle technical 与AI对话词汇游戏阅读练习