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单词 extravehicular
释义 extravehicular
 /ek'streuh vee hik"yeuh leuhr/, adj. Aerospace.
 of, pertaining to, or being an activity performed by an astronaut outside a space vehicle while in orbit: an extravehicular activity.
 [1960-65; EXTRA- + VEHICULAR]
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更新时间:2024/12/23 18:09:34