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1·It is pants of a bottom, a piece of lavatory paper, have its use.

就算是一条底裤，一张厕纸，都有它的用处。

2·They would be forced to spend a year and a half together in a 14ft x 12 ft Dragon space craft, accompanied by supplies ranging from more than a tonne of dehydrated food to 28kg of lavatory paper.

宇航乘客将被迫在14英尺乘12英尺的“龙”飞船里呆上一年半，舱里还挤满了供给，包括一吨多脱水食品和28公斤厕纸等等。

3·There's no more toilet paper in the lavatory, we should let someone know about this problem.

厕所里面没纸了，我们应该让其他的人知道这个问题。