Sonic depth finder
回声测深器，回声测深仪
🧩 词语组成解析
sonic
[['sɔnik]]
a. 音波的, 音速的, 声音的\\n[电] 音波
a. 发现者, 寻星镜\\n[医] 寻觅器, 探示器
🗣️ 情景例句
I can't believe it!
我简直不敢相信！
It doesn't happen every day.
这可不是天天都有的。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？