单词	a pen for 50 pence
释义	a pen for 50 pence 便士一枝笔
随便看	Optical Packet Switching Networks Optical Packet Switching Node Technology Optical Packet Switching Technology optical packet transferring optical page reader optical page readeropr Optical Page Reading optical pair optical pantograph optical pantogrpah optical papilla optical parallax optical parallel optical parallel architecture optical parallelism optical parallelism error optical parallel rays optical parallels optical parallel transmission optical parameter optical parameter amplification optical parameters optical parametric optical parametric amplification optical parametric amplifier