Variable attenuator
[电] 可变衰减器
🧩 词语组成解析
n. 衰减器\\n[化] 衰减器; 弱化子
🗣️ 情景例句
He couldn't teach such dull children.
他教不了这么笨的孩子。
Who will not keep a penny, shall never have many.
不积少，不会成多。
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。