centerboard
英 [ˈsentəˌbɔ:d] 美 [ˈsɛntɚˌbɔrd, -ˌbord]

n.

（帆船的）活动船板，中插板；

英英释义

centerboard[ 'sentə,bɔ:d ]

• n.a retractable fin keel used on sailboats to prevent drifting to leeward

  同义词：centreboarddrop keelsliding keel

权威例句

Center-board
Centerboard
Centerboard
Thron in cifre
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