keel 中文
EN
[kiːl] [-iːl] 中龙骨 维龙骨
- 龙骨在船、汽艇或是小舟的是最重要的承重结构。它位于船的底部。在龙骨的上面有横过的船肋加固。船首和船尾，龙骨绕过艏柱。龙骨通常是船壳第一个被建造的部分。龙骨的铺设是造船过程中最重要的事件。
- 除了承重外，龙骨还有流体动力学上的作用。它扩大了船的侧面面积，提高了船在水中的并联阻抗,防止了侧风转向。这对逆风航行尤为重要。在帆船，龙骨会受到中部或是骨架边的斜撑的支持。
- 龙骨还对船的重量稳定有重要作用，减少了船的倾斜或是反向转动。
- 另外，龍骨也是人類脊椎骨的代稱。
- 名词 (Noun)PLkeels
- (nautical) A large beam along the underside of a ship’s hull from bow to stern.
- (nautical) Sometimes, a rigid, flat piece of material anchored to the lowest part of the hull of a ship to give it greater control and stability.
- (aeronautics) In a dirigible, a construction similar in form and use to a ship's keel; in an aeroplane, a fin or fixed surface employed to increase stability and to hold the machine to its course.
- (nautical) A type of flat-bottomed boat.
- A material similar to chalk or crayon used to mark pavement.
- (zoology) The periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge.
- (botany) The two lowest petals of the corolla of a papilionaceous flower, united and enclosing the stamens and pistil; a carina.
- A brewer's cooling vat.
- (nautical) A large beam along the underside of a ship’s hull from bow to stern.
- 动词 (Verb)SGkeelsPRkeelingPT, PPkeeled
- (intransitive, followed by "over") to collapse, to fall.
- He keeled over after having a stroke.
- To traverse with a keel; to navigate.
- To turn up the keel; to show the bottom.
- (intransitive, followed by "over") to collapse, to fall.
- 更多范例
- 用于句中
- Only that part of the floor timber that bears on the planking and keel need be templated; [ …]
- We should all go inside, before somebody keels over from the heat.
- The platycoelous centra are not keeled ventrally and are slightly dorsoventrally compressed at mid-length, so that in transverse section the centrum has a more oval outline.
- 用于句中
Definition of keel in English Dictionary
- 词类阶层 (Part-of-Speech Hierarchy)
- 名词
- 可数名词
- 可数名词
- 动词
- 不及物动词
- 不及物动词
- 名词
资料来源: 维基词典
在语法上，这个单字"keel"是一个名词，更具体地来说，是一个可数名词。它同时也是一个动词，更具体地来说，是一个不及物动词。