宇う宙ちゅう遊ゆう泳えい

noun

spacewalk; extravehicular activity

Refers to an astronaut's activity outside a spacecraft. Often used in news and scientific contexts.

• 宇う宙ちゅう飛ひ行こう士しが宇う宙ちゅう遊ゆう泳えいを行おこなった。