1. The engineers had to superelevate the curves on the highway to improve safety.
(工程师们不得不提高公路弯道的超高,以提高安全性。)
2. In order to accommodate high-speed trains, the railway tracks were superelevated to reduce the risk of derailment.
(为了适应高速列车,铁路轨道被提高了超高,以减少出轨的风险。)