英语词汇“clear board”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	clear board
释义	clear board noun : a signal to an approaching railroad train that the block ahead is clear
随便看	fulminic fulminic acid fulminous fulminuric fulminuric acid fulness fulnio fuloppite fuloppite -fuls fuls fuls fulsome fulsomely fulsomeness fulth fulton Fulton fulton cat Fulton cat fulup fulvene fulvescent fulvic fulvic acid

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