单词	extravehicular
释义	extravehicular /ˌɛkstrəvɪˈhɪkjʊlə / adjective Relating to work performed in space outside a spacecraft: extravehicular activity... Besides logging more than 259 hours in space, he has more than 14 hours of extravehicular activity, or spacewalking. That's where astronauts practice extravehicular activities, more commonly known as spacewalks. Two projects focus on advanced technologies for extravehicular activity.
随便看	rebud rebudding rebuff rebuffal rebuffer rebuffet rebuild rebuildable rebuilder rebukable rebukative rebuke rebuker rebunch rebunching rebunk rebunking rebuoy rebuoyage reburden reburdening reburgeon reburgeoning reburial rebury

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