单词	Geissler tube
释义	Geissler tube noun : a gas-filled discharge tube having various shapes and usually a narrowly constricted portion in which the luminosity is intensified Word History Etymology after Heinrich Geissler
随便看	parching parchisis parchment parchment coffee parchment paper parchment worm parchmented parchmentise parchmentised parchmentises parchmentising parchmentize parchmentized parchmentizes parchmentizing parchments parchmenty parcidentate parcity parclose parcloses parcook parcourse parcs pard

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