房子的外墙被漆成了白色。

The ___exterior of the house was painted white.

这座建筑的现代外观与其传统内部形成对比。

The building's modern ___exterior contrasts with its traditional interior.

这辆车流畅的外观下隐藏着一台强大的发动机。

The car's sleek ___exterior hides a powerful engine underneath.