英语词汇“smoke door”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	smoke door
释义	smoke door noun : a door in the roof above the gridiron of a theater opened in case of fire to draw the flames up and so prevent their spread to the auditorium
随便看	frozen shoulder frozen sleep FRR frt fructed fructescence fructescent fructi fructi- fructiferous fructiferously fructification fructificative fructifier fructiform fructify fructivorae fructivorous fructokinase fructolysis fructosan fructose fructoside fructosidic fructuary

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