quality of track

例句：

1. 1. The quality of the track is crucial for safe travel.
   轨道的质量对于安全旅行至关重要。
2. 2. The engineers carefully inspected the quality of the track before laying the rails.
   工程师们在铺设铁轨之前仔细检查了轨道的质量。
3. 3.The construction of a new railway line will improve the quality of the track.
   新建铁路线的建设将提高轨道的质量。