third-rail system
常見例句
- According to Environment America, high-speed rail uses a third less energy per mile than auto or air travel, and a nationwide system could reduce oil use by 125 million bbl. a year.
根據(jù)美國環(huán)境署資料，高鉄和汽車或者飛機相比每公裡使用能源最少，而一個全國範(fàn)圍的系統(tǒng)將能每年減少使用1.25億桶的石油。 返回 third-rail system