Gaa
abbr. ground-aided acquisition 地面辅助接收
🗣️ 情景例句
You bet!
当然！
At night, all cats are grey.
猫在夜晚皆灰色（丑妍暗中难分辨）。
but by now the Thermopylae was over five hundred miles ahead.
但此时，“赛姆皮雷”号早已在500多英里之遥了。