| 单词 | 桅顶 |
| 释义 | 〔skysail〕A small square sail above the royal in a square-rigged vessel.天帆：装于横帆式船只桅顶帆上方的小方帆〔jack〕A support or brace, especially the iron crosstree on a topgallant masthead.铁横桁：撑杆或支柱，尤指上桅桅顶的铁横桁〔trestletree〕One of a pair of horizontal beams set into a masthead to support the crosstrees.桅杆纵桁：两根插入桅顶的水平梁子中的任何一根，用于支撑桅杆横顶 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。