centring

动词 centre:

1. move into the center
   同义词：center, centre
2. direct one's attention on something
   同义词：concentrate, focus, center, centre, pore, rivet

1. Her research is centred on the social effects of unemployment.
   她的研究课题是失业对社会的影响。
2. My chief joy centred in caring for the children.
   我主要乐趣集中在看管孩子。