蝠鲼会定期造访“清理站”，在那里，小濑鱼会帮助它们清理身上的寄生虫。
Manta rays regularly visit "cleaning stations" where small wrasse fish clean them of parasites.
托布和迈伦也展望R2被改装成适应太空空间站环境的情形，在那里笨重的防护设备限制了人类在清理房间或者核设施时的灵活性。
Taub and Diftler also envision R2 being adapted for workplace environments where bulky protective gear limits human dexterity, such as clean rooms or nuclear facilities.
就餐器具和食物盘在卫生站用预先弄湿的小毛巾清理。
Eating utensils and food trays are cleaned at the hygiene station with premoistened towelettes.
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