慢速英语:美国国会大厦发生袭警事件 一名警察死亡

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exit -–v. to go out of a place; to leave

lunge –v. to move or reach forward suddenly in a forceful way

in session –phrase to be in formal meetings or series of meetings of a group of people such as a court or legislature

certify –v. to officially say that something or someone has met certain requirements