Blueback
非英国海军部出版的海图(背面为蓝色的)
🗣️ 情景例句
But we found nearly half on them were mouldy. We can't accept them anyway.
但是我们发现差不多一半发了霉。无论如何我们不能接受。
I wake my sister up.
我叫醒我妹妹。
It may be cheaper.but it takes a long time.
可能是便宜些，但花的时间长。