Piston attenuator
[电] 活塞衰减器
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
n. 衰减器\\n[化] 衰减器; 弱化子
🗣️ 情景例句
Hey, Xiao Li, are you doing anything this weekend?
嘿，小李，这个周末有没有什么事要做？
Hello, Tom, what's happening?
你好，汤姆，怎么啦？
She was in the city to visit her daughter.
她住在农村。