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
The wind's really howling today.
今天风刮的真凶。
I'm going to tell him what to say.
我正要告诉他应该说什么。
'I've been coming up here night after night for weeks now.
“好几个星期了，我天天夜里到钟楼上来。