a名词of后面加什么词

　　She was possessed of exceptional powers of concentration.

　　她有高超的专注能力。

　　It was week five of my tour of the major cities of Europe.

　　这是我在欧洲主要城市旅行的第5周。

　　There were periods of sulking, of pronounced distance, of coldness.

　　出现阶段性的愠怒、明显的疏远和冷淡。