| 单词 | third rail |
| 释义 | third rail Word forms: third rails 1. countable noun The third rail on a railroad track is the steel bar which passes electric current to a train. 2. singular noun [the N] If you refer to something as the third rail of a political situation, you mean that it would be dangerous to make changes to that thing because people feel very strongly about it. [US] Politicians speak of Social Security as the third rail. To touch it is to commit political suicide. |
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