The maintenance of a building, vehicle, road, or machine is the process of keeping it in good condition by regularly checking it and repairing it when necessary.
upkeep
maintenance work on government buildings.
政府各大楼的检修工作。
The window had been replaced last week during routine maintenance.
那窗在上星期的例行检修中已被换掉了。
Maintenance is money that someone gives regularly to another person to pay for the things that the person needs.
the government's plan to make absent fathers pay maintenance for their children.
让那些不在孩子身边的父亲为孩子提供抚养费的政府计划。
If you ensure the maintenance of a state or process, you make sure that it continues.
the maintenance of peace and stability in Asia.
亚洲和平与稳定的维持。
the importance of natural food to the maintenance of health.
天然食物对维持健康的重要性。