drivetrain發音名詞1傳動系統、動力傳動系統The new hybrid drivetrain delivers more power and uses less fuel.這套新的油電傳動系統動力更強,也更省油。2傳動組件自行車Clean your bike's drivetrain regularly to keep the gears shifting smoothly.定期清潔自行車的傳動組件,變速才會順暢。