单词	the notch of a crossbow
释义	彄the notch in a cross bow the notch of a crossbow
随便看	photoelectric colorimeter photoelectric colorimetry photoelectric colormeter photoelectric colo(u)rimeter photoelectric comparator photoelectric compensator photoelectric constant photoelectric control photoelectric controller photoelectric conversion efficiency photoelectric counter photoelectric--counter photoelectric coupler photo-electric cross-section photo-electric--cross-section photo-electric current photoelectric current photoelectric--current photo-electric densitometer photoelectric densitometer photoelectric detection photoelectric detection device photoelectric detector photoelectric device photoelectric devices