每个（户外厕所）都必须有四个面、一个马桶座圈和卫生纸。

Each must have four sides, a toilet seat and toilet paper.

youdao

我不得不上卫生间，但是我不想用那糟糕的户外厕所，所以我到树林里去了。

I had to go to the toilet, but I didn't want to use that awful outhouse. So I went off in the woods.

《柯林斯英汉双解大词典》

撒哈拉沙漠提供的这种轻便的户外厕所为你解了燃眉之急。

Sahara provides this handy outdoor toilet to solve the pressing need for you.

youdao