Fuel and parts to repair old buses are also harder to find.

修理旧公交车的燃料和零部件也更难找到。

A carpenter builds and repairs the wooden parts of houses, barns, or ships.

木匠建造和修补房屋、谷仓和船的木制部分。

They completed four tandem spacewalks to both modernize and repair parts of the ISS.

他们完成了四次合作太空行走，以更新和修复国际空间站的部分设施。

It's up to the linemen to inspect and repair every part of the grid, usually without shutting down the power.

电网的每一个部分都要由线路员来检查和维修，通常不需要关闭电源即可做到。

Also, they are repairing the damaged parts of the building.

此外，他们正在修复建筑物的损坏部分。

And we have to repair that part of the fence that's falling down.

我们还要把围栏快倒的那部分修好。

The tool can serve as a molecular scalpel for DNA to disable or repair a mutated part of the gene which may cause illness.

该工具可以作为分子手术刀，使基因中可能导致疾病的突变部分失效或进行修复。