Symmetrical pi attenuator
[电] 对称Π型衰减器
🧩 词语组成解析
adj. 对称的,匀称的;
symmetr=symmetry对称+ical表形容词 →对称的
🗣️ 情景例句
Without coffee I could never get up in the morning.
不喝咖啡我早上起不来。
Why don't you turn off the stupid program?
何不把无聊的节目关掉?
I was so tired. I could have slept for a week.
我累死了!我能蒙头睡上一星期。
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