turn signal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turn signalturn signal — 名詞名詞1. a light on a vehicle that shows when you are going to turn1.名詞釋義方向燈a light on a vehicle that shows when you are going to turn例句Don't forget to use your turn signal before changing lanes.