单词	哀之
释义	哀之 take pity on him
随便看	impulse turbine impulse turbocharging impulse type impulse-type relay impulse type telemeter impulse-type telemeter impulse-type voltage-regulator impulse valve impulse voltage impulse-voltage impulse voltage divider impulse voltage generator impulse-voltage generator impulse voltage oscilloscope impulse voltage test impulse voltage withstand test impulse water turbine impulse water wheel impulse wave impulse waveform impulse-wave test impulse welding impulse wheel impulse withstand impulse withstand level