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	chantors chantresses chantries chantry chantry priest chants chants royaux chanty chanukah Chanukah chanukahs Chané chanés Chao K'uang-yin Chao Phraya chao tzu-yang Chao'an Chaoboridae chaoborine chaochow chaologies chaos chaos theory chaoses Chaoshan

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