Downswing
n. 下降趋势\\n[经] 向下摆动
🗣️ 情景例句
Sometimes, at night,
有时候， 在夜晚，
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，