pushuo扑朔pushv.推；按；挤；逼迫；催促n.推；奋力；决心push-pull amplifie推挽式放大器push-push currents推推电流push-pull inverter推挽变流器push one's nose into探听…,干涉…Push the doorbell.按门铃。push-pull detector推挽检波器Push pull train?pushing off the slag挡渣push a baby carriage推童车。push button type key按钮式电键