Echogram
n. 超声波回声图, 回声深度记录
🗣️ 情景例句
You're kidding!
在开玩笑！
We now have five different models to choose from.
我们现在有五种不同的型号供你选择。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，