maintenance

柯林斯词典

1. N-UNCOUNT 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. 检修
...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。
2. N-UNCOUNT Maintenance is money that someone gives regularly to another person to pay for the things that the person needs. 赡养费; 抚养费
...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。
3. N-UNCOUNT If you ensure the maintenance of a state or process, you make sure that it continues. 维持
...the maintenance of peace and stability in Asia. …亚洲和平与稳定的维持。

The network will be down for an hour for routine maintenance.
The new ships , propelled by gas turbines , require less maintenance than older , steam-driven ones .
This course is designed to give drivers a grounding in car maintenance.
There is a risk that the debt-ridden airline that may be tempted to scrimp on maintenance or security .
It's just a regular maintenance shutdown .