名词
中文翻译：主信号
同义词：
['major signal', 'primarysignal']
例句：
-
1.The master signal was sent out toall ships in the harbor.
主信号被发送到港口里的所有船只。
-
2. The mastersignal helped us to find our way backto the dock.
主信号帮助我们找到了回码头的路。
-
3. The master signal was a beacon that guided ships safely into port.
主信号是一个灯塔，引导船只安全进入港口。