The engineer was an eager participant in technical co-operation.那位工程师热心参与技术合作。One who a mask, especially a participant a masquerade or masque.戴面具的人戴面具的人, 尤指假面舞会参加者.There is no comparison between the knowledge and skill o...
He has been an active participant in the discussion.他一直积极参与这次讨论。The engineer was an eager participant in technical co - operation.那位工程师热心参与技术合作.There is no comparison between the knowledge and skill of such a player and ...