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
Eat your vegetables, they're good for your health.
多吃蔬菜，这对你的健康有好处。
We waved until the car was out of sight.
我们挥手直到汽车消失。
Is there much of a difference in price?
价钱也有很大的分别吧？