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
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns,
虽然在已经产生生命的某个地方，可能只有1%会发展成高度复杂有智力的生命形态，