单词	to dabble in the mud
释义	英華☞dabble in the mud,
随便看	pulse delta modulation，pdm pulsed emission pulse demoder pulsed encoder pulse detection pulsed excimer laser pulsed extraction field pulsed field pulsed filter pulsed fluid bed drying pulsed-force mode pulsed fourier transform esr spectrometer pulsed fourier transform nmr spectrometer pulsed fourier transform nuclear magnetic resonance spectrometer pulsed gasdynamic laser pulsed gas ionization flowmeter pulsed glow discharge pulsed g-m tube pulsed g-m tube operation pulsed heating pulsed hydrogen arc pulse dial pulse dialling pulse, differentiated pulsed illumination source