| 单词 | 下桅 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔crosstree〕One of the two horizontal crosspieces at the upper ends of the lower masts in fore-and-aft-rigged vessels, serving to spread the shrouds.桅顶横杆：纵帆船只中位于下桅顶部的两根水平交叉的木杆之一，用来张开桅的左右支索美国传统〔joint〕The platform was built where the Frenchman's lower mast was jointed to the upper.在“法国人”号的下桅与顶桅连接处建了一座平台。外研社新世纪〔main topmast〕The section of the mainmast on a square-rigged sailing vessel between the lower mast and the main topgallantmast.主桅中桅：横帆式帆船上位于下桅和上主桅之间的主桅部分美国传统〔topmast〕The mast below the topgallant mast in a square-rigged ship and highest in a fore-and-aft-rigged ship.中桅：在纵帆装船的紧挨下桅上头的中桅，而在横帆装船上则指在上桅之上的桅美国传统 |
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