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 internet brings people closer from around the world.
因特网把世界上人们的距离拉近了。
I'll make up the money to the amount you need.
我会补足这笔款项。
Collecting small items can easily become a mania.
收集小玩艺儿很容易着迷。