Bispectrum
双频谱
🗣️ 情景例句
Is this bus going to Dallas?
这车开往达拉斯吗？
It's nice meeting you.
很高兴认识你。
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，