Noun:

1. the chief mast of a sailing vessel with two or more masts

Maina迈纳mainadj.主要的；最重要的n.干线；总管道；[pl](水、煤、电)供应系统；<古>大海main center中枢,主中心局main topics主题main attack主攻main trough主沟main bundle[医] 房室束主部main issues主要问题Main mirror主反射镜main stocks主要股票maintenancc维护main strike主要突出

1. I walked aft until I reached the mainmast.
   我向船尾走去，来到了主桅前。