Echosounder
[医]超声探测器
🗣️ 情景例句
Mike likes to write by the nice bright light at night.
迈克喜欢晚上在柔和明亮的灯光下写作。
There's something wrong with the phone.
电话出了点儿毛病。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。