Centreboard
n. 船底中心垂直升降板, 裝有升降板的小船
?? 牛津釋義
centreboard
n moveable board that can be raised or lowered through a slot in the keel of a sailing-boat to prevent drifting 中插板（船底中心防止船漂移的垂直升降板）. =>illus at dinghy 見dinghy之插圖.
??? 情景例句
First I want to call home
我先得打個電話回家
The path of duty is the path of safety.
盡職的路是安全的路。
Did you have a good journey?
你旅途愉快嗎？