Centreboard
n. 船底中心垂直升降板, 装有升降板的小船
📖 牛津释义
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 见dinghy之插图.
🗣️ 情景例句
Yes, I took part in.
有，我参加了。
Do you know the boy whose aunt is an artist?
你知道那男孩的姑妈是艺术家?
They're better when they're hot.
趁热吃更好。