没有这些特殊的服装，宇航员就不能离开他们的飞船。
Without these special suits, astronauts wouldn't be able to leave their spaceship.
游泳者要穿上特殊的服装，并且必须遵守在此游泳的规则。
大部分的小孩小孩会穿着特殊的服装然后去不同的家里要糖果。
Most children dress up in costumes and go "Trick-or-Treating" by walking around to different houses and asking for candy.
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