“室外”怎么读

“室外”的英语可以翻译为：outdoor，outside ...

他们在室外的时候，你不担心吗？Don't you worry about them when they're out of doors?室外用的餐具最好是打不破的。Tableware for outdoor use should ideally be unbreakable.办公室外有人吵吵嚷嚷.There was a clamour of voices outside the office....