ignition system

例句：

1. 1.The new car has a sophisticated ignition system that ensures smooth starting.
   这款新车配备了先进的点火系统，确保了启动的顺畅。
2. 2. The old engine needed anignition system upgrade to improve performance.
   旧引擎需要升级点火系统以提升性能。
3. 3.The engineers worked tirelessly to ensurethe ignition system was functioningcorrectly before the launch.
   工程师们不懈努力，确保在发射前点火系统能够正常工作。