day and night signal的意思|示意
美 / /
英 / /
昼夜信号
day and night signal的网络常见释义
昼夜信号 ... Day Light Signal 灯光式号志 ; 日光式号志 day and night signal 昼夜信号 Signal day light 灯光式号志 ...
day and night signal相关短语
1、 day and night distress signal 日夜遇险信号
day and night signal相关例句
Sailors signal with flags by day and with lights at night.
水手们白天用旗夜晚用灯发信号。