centerboard的音标：centerboard的英式发音音标为：['sentəˌbɔ:d]centerboard的美式发音音标为：['sɛntɚˌbɔrd, -ˌbord]...

You should put down the centerboard about 10 cm during downwind.跑尾风时你应该将稳向板放下去10厘米....

n.（帆船的）活动船板，中插板...