名词
中文翻译：Unknown
同义词：
["龙骨，肋骨凸口，肋骨凸出部分例句：1. The boat's keel rabbet is perfectly aligned with the bottom of the boat.（船的龙骨凸口与船底完美对齐。）2. The carpenter carefully cut the keel rabbet to fit the frame.（木匠仔细地切割了龙骨凸口以适应框架。）"]
例句：
-
1. The boat's keel rabbet is perfectly aligned with the bottom of the boat.
船的龙骨凸口与船底完美对齐。
-
2. The carpenter carefully cut the keel rabbet to fit the frame.
木匠仔细地切割了龙骨凸口以适应框架。
-
3.The engineer checked the keel rabbet for any signs of wear or damage.
工程师检查了龙骨凸口是否有磨损或损坏的迹象。