Passive sonar
[电] 无源声纳
🧩 词语组成解析
sonar
['səunɑ:]
n. 声呐装置，声呐系统;声呐兵;
🗣️ 情景例句
I want to cash this check, please.
我想把这张支票换成现金。
It's quite an intersive few days.
那几天可真紧张。
The examiner looked at me sadly.
主考人伤心地看着我。