Bispectrum
双频谱
🗣️ 情景例句
Don't worry, everything will work out in the end.
别担心，到最后一切都会顺利成功的。
It's wrong to break the law.
犯法是不对的。
but he has never managed to get enough money to have the church clock repaired.
但始终未能筹足资金把教堂的钟修好。