grade crossing
柯林斯詞典
1. N-COUNT A grade crossing is a place where a railway track crosses a road at the same level. (鉄路與公路相交的) 平交道口[美國英語]
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1. N-COUNT A grade crossing is a place where a railway track crosses a road at the same level. (鉄路與公路相交的) 平交道口[美國英語]