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
Their after-sales service was just so bad that I decided to never buy anything from that shop again.
他们的售后服务太差了，所以我决定从此不再能家商店买东西。
He answered almost all of my questions.
他回答了我几乎所有的问题。
Is it too small?
这件太小了吧？