jackstaff是什么意思

jackstaff

美['dʒækstɑːf]  英['dʒækstɑːf]
n.  舰(或船)首旗杆

例句

  1. As I went by I see it was a lantern hanging on the jackstaff of a double-hull ferryboat. 漂过时，见到那是一艘双舱渡船，船头旗竿上挂着灯。
  2. (ShangHai Jackstaff Project Design Co. ; LTD ) 是一家专业研发和...
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