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
When was the last time?
最近一次是什么时候？
He is wise that knows when he's well enough.
知足的人是聪明的人。
When Aunt Huang came back, I was so tired. In the evening Liu Ming came to see me.
当黄阿姨回来的时候，我累极了。晚上刘明来看我。