Ject对"外墙" 的正确翻译：siding；outside wall；external wall；outer wall；periphery wall；exterior wall。例句参考：城廓中庭用这种外墙围起来的空间 - The space enclosed by this outer wall.；大通道，出入通道圆形剧场或体育馆从外墙或通路到座位的几个通道中的一个 - One of the passageways of an amphitheater or a stadium leading from the outside wall or passageway to the seats.；我们正在给房子的外墙涂漆。 - We are painting the exterior wall of the house.；