first gear編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看first gearfirst gear — 名詞名詞1. the lowest gear in a vehicle, used for starting or slow speeds1.名詞釋義一檔the lowest gear in a vehicle, used for starting or slow speeds例句Shift into first gear when you start going up the hill.