单词	gastight
释义	gastight adjective gas·​tight ˈgas-ˈtīt  : impervious to gas gastightness noun Word History First Known Use 1831, in the meaning defined above
随便看	obelised obelises obelising obelisk obeliskoid obelisks obelism obelisms obelize obelized obelizes obelizing obelus obentos Oberammergau Oberea oberek Oberhausen oberland Oberon oberrealschule oberrealschulen oberrealschules obes obese

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