unretentive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unretentiveunretentive — 形容詞形容詞1. Unable to hold or retain something, e.g., memory or liquid.1.形容詞釋義無法保留的Unable to hold or retain something, e.g., memory or liquid.例句His unretentive memory made studying difficult.