单词	spectroheliograph
释义	spectroheliograph noun spec·​tro·​he·​lio·​graph ˌspek-trō-ˈhē-lē-ə-ˌgraf  : an apparatus for making spectroheliograms spectroheliography ˌspek-trō-ˌhē-lē-ˈä-grə-fē  noun Word History Etymology International Scientific Vocabulary First Known Use 1892, in the meaning defined above
随便看	patternmakings patterns patternwood patterny patters Patterson pattes pattest Patti pattie patties patting patting down Pattinson process pattles Patton patton's hemlock Patton's spruce pattoo pattu patty patty shell patty-cake pattypan pattypans

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