柯林斯詞典mast /mɑ?st/ (masts) 1. N-COUNT The masts of a boat are the tall, upright poles that support its sails. 桅桿2. N-COUNT A radio mast is a tall upright structure that is used to transmit radio or television signals. 天線桿3. V-T to equip with a mast or masts 在...上裝桅桿[nautical] 返回 mast劍橋詞典 mast noun [C] (BOAT) a tall pole on a boat or ship that supports its sails 船桅，桅桿 mast noun [C] (RADIO/TELEVISION) a tall metal pole used to support an aerial for radio , television , or mobile phonesignals 天線桿 a television /radio mast 電眡／廣播天線桿 mast noun [C] (FLAG) a pole that holds a flag 旗桿 也見half-mast 返回 mast