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
If you cheat in a test, you've really only cheating yourself.
如果你在测验中作弊的话，你欺骗的只有你自己。
Her attitude towards him has changed.
她对他的态度改变了。
Do you know what time the film begins?
你知道电影何时开始？