Echelogram
阶梯光谱照片
🗣️ 情景例句
He graduated from medical school in 1960
他在一九六零年从医学院毕业，
Silks and satins put out the fire in the kitchen.
绸缎要熄灭厨房的火。
Yes, I slept very well all night, thanks.
好的，我一个晚上都睡得很踏实，谢谢。