Seeing a ship on the lorizen, we ran up a flag of distress.
看到地平线上出现一只船，我们连忙升起遇险信号旗。
A red flag is a sign of danger.
红旗是危险的信号。
parachute distress rocket signal
降落伞遇险火箭信号
distress alerting and locating system
遇险信号和确定船位系统
Stranded and in trouble, the crew sent out the S.O.S.
船搁浅遇险后，船员立刻发出求救信号。
Send out a distress signal;the ship is sinking.
船正在下沉，发遇险信号吧。
(flag used as a symbol of danger,eg on roads,railways,etc)
（表示危险的）红色信号旗（如用于公路、铁路等）.
distress message generator
呼救信号发生器遇险电文产生器遇险信息发生器
One who signals with or carries a flag.
信号兵，执旗者用旗帜打信号或扛旗的人
A flag used for signaling or indicating wind direction.
风信旗用于打信号或指示风向的旗子
An international radiotelephone signal word used by aircraft and ships in distress.
呼救信号遇险的飞机、船只等使用的国际无线电呼救信号
send a signal by waving a flag or a light according to a certain code.
挥舞旗帜作为一种信号。
A white flag is used as a token of surrender.
白旗是用作投降的信号.
A white flag be used as a token of surrender
白旗是用作投降的信号
The white flag is a token of surrender.
白旗是投降的信号。
Pennants flying from the masthead.
在桅顶飘扬的信号旗
To display the ensign, signal flags, and bunting on a ship.
将舰旗、信号旗悬挂在船上
(military) a bugle call signaling the lowering of the flag at sunset.
（军事）日落时发出降旗信号的号声。