单词	四根说
释义	四根说又作四行说theory of four roots
随便看	fiber-optics image dissection camera fiber optics image enlarger fiberoptic sinoscope fiber optic sinoscope fiber optics intensifier Fiber Optics Laser fiberoptic sleeve Fiber Optics Light fiber optics liquid-lever sensor fiber-optic smart layer fiber optic smart structures fiberoptics material dispersion fiber optics networks fiber-optic soliton fiber optic sonar link fiber optic sonar system fiber optics otoscope fiber optic spectral analyzer fiber-optic spectrograph fiber-optic spectro-graph fiber optic spectrometer fiber-optic spectrometer fiber optic spectrophone fiber optics photo pickup fiber-optic splice