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
What else?
还有什么？
Before you decide, have a good taste of Marie's cake.
没吃之前先别作决定，且先尝尝玛丽可口的蛋糕。
Mrs.Ramsay was instructed to place the money in a cardboard box and to leave it outside her door.
他让拉姆齐太太把钱放在一个纸盒里，然后将纸盒放在门口。