单词	bachelor's hall
释义	bachelor's hall noun : the residence of a bachelor or of a man whose wife is absent —usually used in the phrase to keep bachelor's hall Word History First Known Use 1828, in the meaning defined above
随便看	spectrophotometers spectrophotometric spectrophotometrical spectrophotometrically spectrophotometries spectrophotometry spectropolariscope spectropyrheliometer spectropyrometer spectroradiometer spectroradiometric spectroradiometry spectroscope spectroscopes spectroscopic spectroscopic binary spectroscopic parallax spectroscopically spectroscopies spectroscopist spectroscopists spectroscopy spectrous spectrum spectrum analysis

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