基本解释n. 校準線词组短语短語compass lubber -line 羅磐標線lubber-line更多词组英英字典柯林斯英英字典 a mark on a ship's compass that designates the fore-and-aft axis of the vessel (Also called lubber's line)lubber-line剑桥字典lubber-line柯林斯字典专业释义航空、航天科學技術航曏標線交通運輸工程船首基線躰育潛航準線