单词	FI (fixed interval)
释义	FI (fixed interval) 定间隔
随便看	double-beam spectrometer double beam spectrometer double-beam spectrophotometer double beam spectrophotometer double beam spectroscopy double beam spectrum radiator double-beam system double-beam technique double beam tube double-beam tube double-beam ultraviolet spectrophotometer double bearing double bearing rudder double beat doublebeat double-beat drop valve double beat drop valve double beater double beater scutcher double beating-up double beat magnetic amplifier double beat poppet valve double-beat valve double beat valve double becket 铃铃2 铃4 铄铄1 铄3 铄4 铄古切今铄懿渊积铄石流金 Sunday sun deck sunglasses sunk cost sunny lettuce sunnylettuce sunny-side up sunroof sunroom sun visor