Spectral density
[电] 频谱密度
🧩 词语组成解析
spectral
['spɛktrəl]
adj. （似）鬼的;幽灵的;谱的;光谱的;
🗣️ 情景例句
and we probably won't be able to
而我们也许也一样不能
He is a fool who cannot be angry,but he is a wise man who will not.
不会发怒是蠢人，不愿发怒是聪明人。
I think I'm in a difficult position.
我想我现在的处境困难。