🧩 词语组成解析
a. 宣言的；公布的
🗣️ 情景例句
It's on the house.
这是免费的。
There is no sense in criticizing him.
批评他也没有用。
Though, at first, Byrd and his men were able to take a great many photographs of the mountains that lay below, they soon ran into serious trouble.
虽然开始时伯德和他的助手们拍下了飞机下面连绵群山的大量照片，但他们很快就陷入了困境。