Bispectrum
双频谱
🗣️ 情景例句
Say, don't I know you from somewhere?
我是不是在哪里见过你？
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
All characters in the book are imaginary.
书中所有的人物都是虚构的。