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 get off one job and go straight to another.
我辞了工作后马上又开始了另一个。
Don't put off till tomorrow what should be done today.
今日事，今日毕。
How is the new material working out for you?
新原料用得如何？