单词	copyingpress
释义	同Copying-press
随便看	principal island principal islet principal item principalities principality principality in ancient times principal joint principal key principal land station principal language of message principal lateral aberration principal lattice vector principal left ideal principal line principal line method principal line of photograph principal linkage principal load principal lobe principal longitudinal aberration principal lunar diurnal component principal lunar semidiurnal component principally principal maintenance period principal main track