Blueback
非英国海军部出版的海图(背面为蓝色的)
🗣️ 情景例句
I'm sorry. I dialed the wrong number.
对不起，我打错电话了。
What's the shape of your balloon?
你的气球是什么形状？
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。