Spectral series
[化] 光谱线系
🧩 词语组成解析
spectral
['spɛktrəl]
adj. （似）鬼的;幽灵的;谱的;光谱的;
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
The war threatened his well-being.
战争威胁他的幸福。
I envy you very much.
我非常羡慕你！