Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
so that the people of our town
好让我们镇上的人
Repentance is good, but innocence is better.
悔罪虽好，无罪更佳。
and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
并充分显示出了仪表和仪器的潜在力量。