Spectrograms
(spectrogram 的复数) n. 光谱图, 声谱图\\n[化] 光谱图
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
You cannot judge a tree by its bark.
人不可貌相。
How long have you been at this school?
你到这学校有多么时间了？