Coso
abbr. combined operations signal officer 联合作战通讯官
🗣️ 情景例句
it's a graduation party for me.
这是为我毕业所办的派对。
The comet will appear in the southern sky.
彗星出现在南方的天空。
His cake is four times as big as mine.
他的蛋糕是我的四倍大。