Echosounders
(echosounder 的复数) [医]超声探测器
🗣️ 情景例句
I'm staying in a holiday resort.
我正呆在一个度假胜地。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
I find young people exciting.They have an air of freedom,
我觉得年轻人令人振奋，无拘无束。