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
The office network is running again, we can finally get some work done.
办公室的网络又联上了，我们终于可以做些事情了。
It is good to be merry at meal.
席间心情愉快是为上策。
Class 3 were the winners!
3班获胜了！