单词	ceilometer
释义	ceilometer noun ceil·​om·​e·​ter sē-ˈlä-mə-tər  : a photoelectric instrument for determining by triangulation the height of the cloud ceiling above the earth Word History Etymology ceiling + -o- + -meter First Known Use 1943, in the meaning defined above
随便看	generously generousness generousnesses genes Genesee geneserine geneses genesic genesis incurvating incurvation incurvations incurvature incurvatures incurve incurved incurves incurving incurvities incus incuse incused incusely incuses incusing

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