1. 备有龙骨的：keelboatman 船员 | keeled 备有龙骨的 | keeler 驳船船员
2. 龙骨状的：keel 龙骨;龙骨瓣 | keeled 龙骨状的 | kemps 粗毛
1. As the song drew to a close, he suddenly keeled over.
2. As the song was drawing to a close he suddenly keeled over and his head hit the announcer's leg.
3. keeled的解释
3. Five people went missing after a Chinese fishing boat keeled over in waters off the west coast of the Republic of Korea on Monday.