letterbox
US /ˈlet̬.ɚ.bɑːks/
UK /ˈlet.ə.bɒks/
名词
1.
信箱, 投信口
a slot in a door or wall through which mail is delivered
示例:
•
The postman pushed the letters through the letterbox.
邮递员把信件塞进了信箱。
•
I heard a thud as the newspaper landed on the floor after coming through the letterbox.
我听到报纸从信箱掉到地板上的砰砰声。
2.
信箱模式, 宽屏显示
the effect of displaying a widescreen film on a standard aspect ratio screen by masking the top and bottom of the image
示例:
•
Many classic films are presented in letterbox format on television.
许多经典电影在电视上以信箱模式呈现。
•
I prefer watching movies without the black bars, but sometimes letterbox is necessary for the original aspect ratio.
我更喜欢看没有黑边的电影，但有时为了保持原始宽高比，信箱模式是必要的。