推挽式功率放大器的英文：
PPPA (= Push-Pull Power Amplifier)
v. 推；催促；逼迫；推进；推行；扩展，扩大；增加
n. 推，推动；奋进，努力
That is pushing it.
那是在推动它。
Push is informal and is used for the selling of illegal drugs push
是口语用词,指出售违禁毒品
The sprouts have pushed up the earth.
嫩芽把土顶起来了。
v. 拉；拖；拔；拉伤；划船；赢得；吸引
n. 拉力；拖力；牵引力；拉手；影响力
pulling controller
单晶拉制电子控制器
lateral pulling
横向拉制
Pull over at the side of the road and pull on the handbrake.
车停靠路边，拉紧手刹/拉上手刹。