created sense approved 号炮/號砲 · hàopào · signal cannon
号炮 / 號砲
hàopào
signal cannon
a cannon used specifically for firing signals
博物馆里陈列着一门古代的号炮。
noun
created sense approved 号炮/號砲 · hàopào · signal shot
号炮 / 號砲
hàopào
signal shot
a shot fired from a cannon as a signal to start an event or communicate
三声号炮过后，演习正式拉开了序幕。
noun