• 参与的cān yǔ de participant
• 参与者cān yǔ zhě participant; participator; actor
• 航天háng tiān spaceflight
• 宇宙飞行yǔ zhòu fēi háng spaceflight; interstellar flight

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ochrea, ochreous, ochrept, ochriasis, ochroid, ochroleucus, ochrometer, ochronosis, ochthium, ocimene,

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3G, 401(K), a,