Seva
abbr. stand-up extravehicular activity （宇航员在外层空间的）直立舱外活动
🗣️ 情景例句
Let's do it!
我们来录！
I ought to see a doctoe at once.
我应该立刻去看医生。
just as all of you are.
是当今世界上的凡人。