New weapons will be available for use in single-player and in all new multiplayer modes.

新的武器将能使用在单人和全新多人游戏模式。

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A brand new multiplayer component will include player rankings, leagues and ladders and completely new gameplay modes.

全新的联网功能，包括玩家等级、联盟、等级和全新的玩家竞赛模式。

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Modern Warfare 3 developers Infinity Ward and Sledgehammer Games were on hand to take a deep dive into multiplayer and then offer hands-on gameplay with five maps and new game modes, as well as the Spec Ops co-op Survival mode.

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