mast
柯林斯词典
1. N-COUNT The masts of a boat are the tall, upright poles that support its sails. 桅杆
2. N-COUNT A radio mast is a tall upright structure that is used to transmit radio or television signals. 天线杆
3. V-T to equip with a mast or masts 在...上装桅杆[nautical]
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mast /mɑːst/ (masts)
剑桥词典
mast noun [C] (BOAT)
a tall pole on a boat or ship that supports its sails
船桅，桅杆
mast noun [C] (RADIO/TELEVISION)
a tall metal pole used to support an aerial for radio , television , or mobile phonesignals
天线杆
a television /radio mast 电视／广播天线杆
mast noun [C] (FLAG)
a pole that holds a flag
旗杆
也见 half-mast 返回 mast