Definition
to attach or incorporate an additional component or feature
附加；增添
The designer decided to bolt on a more powerful engine to the new model.
設計師決定為新車型附加一個更強大的引擎。
They bolted on a new balcony to the old building to add more space.
他們為這棟舊建築附加了一個新陽台以增加更多空間。
The manufacturer bolted on several new features to the equipment to meet customer demands.
製造商為設備附加了幾個新功能以滿足客戶需求。