Quadrupole amplifier
[电] 四极放大器
🧩 词语组成解析
[化] 四极
🗣️ 情景例句
I propose issuing a time draft for US $ 100,000.
我建议开具价值10万美元的远期汇票。
A liar is not believed when he speaks the truth.
骗子说真话，也没人相信。
I often fish for hours without catching anything.
我经常一钓数小时却一无所获，