单词	rear one's(或its)ugly head
释义	见:rear one's(或its)ugly head
随便看	photoelectricity photoelectric keyboard photoelectric keyboard，pkb photoelectric length meter photoelectric lighting control photo-electric linefollowing gas cutting machine photoelectric magnitude photoelectric mark reading photo-electric material photoelectric material photoelectric measurement photoelectric meter photoelectric method photoelectric micro-photometer photoelectric microphotometer photoelectric microscope photoelectric microscopy photoelectric multiplier photoelectric--multiplier photoelectric peak photoelectric phenomena photo-electric photometer photoelectric photometer photo-electric photometry photoelectric photometry