Spectral emission
[电] 频谱发射
🧩 词语组成解析
spectral
['spɛktrəl]
adj. （似）鬼的;幽灵的;谱的;光谱的;
🗣️ 情景例句
He and my Grandpa both went there.
他和我爷爷都曾在那儿读书。
Then I asked him if he knew anybody in New York .
然后我问他是否他在纽约认识人。
My French isn't very good but it is enough to get by.
我的法语不是太好，但应付一下也够了。