慢速英语:First US Woman to Lead Combatant Command

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短语讲解：

1. NORTHCOM is mainly responsible for civilian support and homeland security while also supervising NORAD, according to the U.S.

be responsible for 为…负责，形成…的原因; 主管
例句：You'll be responsible for anything wrong.
出了事唯你是问。
according to 根据，按照
例句：According to her, grandfather called at noon.
据她说,祖父在中午打来电话。