Downswing
n. 下降趋势\\n[经] 向下摆动
🗣️ 情景例句
What would you like to see me about?
你找我什么贵事？
You can never tell about this sort of thing.
这种事谁也说不准。
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。