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
Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成， 现在我做到了。
Would you please read the draft contract and make your moments about the terms?
请仔细阅读合同草案，并就合同各条款提出你的看法好吗？
He wrote books about communism. He said that all communists should help each other.
他写了不少关于共产主义的著作。他说所有的共产党人都应该互相帮助。