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词汇	space walk
释义	space walkn.（名词）PhotoDisc, Inc. An excursion by an astronaut outside a spacecraft in space; extravehicular activity.太空行走：宇宙员步出航天器在太空中的行走或进行的舱外活动 Related Forms继承用法space walk v.（动词）space walker n.（名词）
随便看	underived underkill underkills underlaid underlain underlay underlayment underlayments underlet underlets underlie underline underlines underling underlings underlining underlip underlying underlying undermine undermodulate undermost underneath underneath underneaths

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