Variable-depth sonar
[电] 可变深度声纳
🧩 词语组成解析
sonar
['səunɑ:]
n. 声呐装置，声呐系统;声呐兵;
🗣️ 情景例句
You work too hard, Susan.
太拼命工作了， Susan。
Drugs were the death of him.
毒品断送了他的生命。
He called out to the children and threw the ball back to the bank.
他大声叫着那些孩子，把球扔回到岸上。