单词jack staff
na.: 舰首旗杆网络: 船首旗杆;艏旗杆;舰艏的旗杆
船首旗杆
舰首旗杆
Ten minutes later the steamer is under way again, with no flag on the jack-staff and no black smoke issuing from the chimneys.
十分钟之后,这条蒸汽船又上路了,船头旗杆上的旗帜消失了,那两个烟囱冒出来的黑烟也远去了。