EVA is a term used by NASA that means extra vehicular activity.

EVA是美国宇航局使用的一个术语，意思是航天员舱外活动。

Technology like the first new American made extra vehicular activity suit or EVA suit in more than 40 years.

例如，首次制造出了40多年来第一件由美国制造的舱外活动服（EVA）。