Echogram
n. 超声波回声图, 回声深度记录
🗣️ 情景例句
You won't believe this.
你会觉得难以置信。
Have you taken a bus?
你坐过汽车吗？
I can't find it. There are just a few loose coins at the back of the drawer.
我也找不到。在抽屉底只有一些零散的钱币。