distress flag

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。