Spectrograms
(spectrogram 的复数) n. 光谱图, 声谱图\\n[化] 光谱图
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
It's very kind of you to call.
谢谢你来告诉我。