烽火：古代用于传递信息、警报的火光信号，通常在高处点燃，以便远处观察。
a fire (usually on a hill or tower) that can be seen from a distance
同义词： beacon
信号篝火
... pharos 灯塔 beacon fire 烽火 radio beacon 无线电导航台...
... 烽火，信号篝火。 beacon fire 信号篝火 beacon fire 熊熊篝火 there burns the flame ...
There are beacon fire towers.
那些是烽火台。
Both Jixin and Weiju were fuels used by the beacon tower for being lighted to give out fire or smoke to communicate alarm signals.
积薪和苇苣均是烽燧所用燃料，用以点火或举烟传递报警信号。
Flaming triangles, circles and squares would be a beacon to our solar neighbors, at least until the fire went out.