noun🔗Share中置帆板，活动龙骨。 The adjustable keel on a small yacht or dinghy that acts, among other things, as ballast and to counteract the sideways force of the wind."The sailboat's centreboard was lowered to help it stay steady in the strong wind. "帆船放下了中置帆板，以帮助其在强风中保持稳定。nauticalsailingvehiclesporttechnicalChat with AIVocabulary GamePractice Reading
