| 词汇 | third rail |
| 词源 | third rail. The most daring of us who played in the railyard and swam in the river were those who walked on the thick boards covering the third rail. A few were even electrocuted by the deadly rail and it came to be associated with death in phras- es like “the third rail of American politics” in as early as 1982. A much fuller account can be found in William Safire’s On Lan- guage column in the New York Times of February 18, 2007. |
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