Day of Defeat: Source features multiplayer, team-based gameplay set in the WWII European theatre of operations.Players choose a role and tackle goal-oriented missions based on historical operations.是什么意思_Day of Defeat: Source features multiplayer, team-based gameplay set in the WWII European theatre of operations.Players choose a role and tackle goal-oriented missions based on historical operations.在线翻译_英语_读音_用法_例句