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
and I think he believes
而我认为他相信
You cannot see the wood for trees.
见树不见林。
We've arranged our schedule without any trouble.
我们已经很顺利地把活动日程安排好了。