Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
Nice to meet you.
很高兴见到你。
By other's faults, wise men correct their own.
他山之石，可以攻玉。
At the moment, they cover every inch of floor space and I actually have to walk on them to get in or out of the room.
这会儿，书把地板的每一点空隙都占据了，我实际上是踩着这些书进出房间的。