Spectrograms
(spectrogram 的复数) n. 光谱图, 声谱图\\n[化] 光谱图
🗣️ 情景例句
I heard that you get vitamin D from sunshine, and that you soak it like a sponge.
我听说人们像海绵一样从阳光中摄入维生素D。
Man is mortal.
人生谁无死。
and at the most critical juncture we took turns in watching that point.
在最紧急的时刻，我们轮流监视那段河流的险情。