expatiated怎么读

The chairman expatiated for two hours on his plans for the company.董事长用两小时阐述了公司的规划.In contrition she expatiated on the beauty of the garden.在后悔中,她反复谈论着花园的美丽.Mr Thornhill expatiated upon the common topics of conversation ...

v.详述，细说( expatiate的过去式和过去分词 )...