V-RECIP
合作;协作
If you co-operate with someone, you work with them or help them for a particular purpose. You can also say that two people co-operate .
例句
The UN had been co-operating with the State Department on a plan to find countries willing to take the refugees...
联合国一直都在与美国国务院合作推进一项计划，寻找愿意接纳难民的国家。
The couple spoke about how they would co-operate in the raising of their child...
这对夫妇讲述了他们将如何共同抚养孩子。