Periodogram
[计] 周期图
🗣️ 情景例句
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡，也不会变白。
The stream wound its way across the field and then flowed right under their tent!
那小溪弯弯曲曲穿过田野，然后正好从他们的帐篷底下流过去。