Spectrogram
n. 光谱图, 声谱图\\n[化] 光谱图
🗣️ 情景例句
if he spends less on the cultural programs.
假如他在这文化活动上减少开支的话。
It'll probably clear up this afternoon.
今天下午可能放晴。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，