基本解释n. 主桅中桅英汉例句双语例句Main Mast Top Looking down on the main mast top, you can see through the lubber hole, and the dead-eyes.主桅杆顶向下看去，在主桅杆桅楼，你可以看到穿过水手孔，和死眼。专业释义交通运输工程主一接桅地球科学主一接桅