Keel

(noun.) one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability.

(noun.) the median ridge on the breastbone of birds that fly.

(noun.) a projection or ridge that suggests a keel.

录入:诺顿

• If we are high enough our keel plates will protect us from rifle fire. 埃德加·赖斯·巴勒斯. 火星战神.
• He told me that he believed himself to have gone under the keel of the steamer, and to have been struck on the head in rising. 查尔斯·狄更斯. 远大前程.
• She had drifted somewhat under the keel of the vessel, and her being out of sight occasioned the delay in finding her. 玛丽·雪莱. 最后一个人.
• But their breastbone has no keel such as the breastbone of a bird has for the attachment of muscles strong enough for long-sustained flying. 赫伯特·乔治·威尔斯. 世界史纲.
• He came aboard with a black coat, and his papers right, and money enough in his box to buy the thing right up from keel to main-truck. 阿瑟·柯南·道尔. 福尔摩斯回忆录.
• We were not used to dancing on an even keel, though, and it was only a questionable success. 马克·吐温. 傻子出国记.
• A few larger ones there were, but these kept high aloft dropping bombs upon the temples from their keel batteries. 埃德加·赖斯·巴勒斯. 火星战神.
• His luck's got fouled under the keels of the barges. 查尔斯·狄更斯. 我们共同的朋友.
• For the safety and comfort of passengers, the great length reduces the pitching, bilge keels prevent rolling, and the Schlick system of cranks neutralizes vibration in the engine. Edward W. Byrn. 十九世纪发明进展.
• On the Keeling or Cocos Islands the chief vegetable production is the cocoanut. 李贝. 西洋科学史.

编辑:勒罗伊