单词	冰砂
释义	冰砂glacial sands
随便看	photoemission electron microscope photoemission electron microscope (peem) photoemission imaging system photoemissive photoemissive cathode photoemissive cell photoemissive effect photoemissive element photoemissive relay photoemissive tube photometer photoemissive-tube transducer photoemissivity photoemitter photoemitting device photoemitting material photo-emulsion photoemulsion photoeng photoeng. photoengrave photoengraved photoengraver photoengraves photo engraving photo-engraving