首頁›Browse›T›training wheeltraining wheel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training wheeltraining wheel — 名詞名詞1. small wheels attached to a bicycle for stability1.名詞釋義輔助輪small wheels attached to a bicycle for stability例句My son learned to ride with training wheels.