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1.Biden took part in a CNN town hall in Milwaukee and said his massive COVID relief plan has broad public support.
took part in 参加
She took part in a radio phone-in programme.
她参加了电台的听众来电直播节目。
2.Biden took part in a CNN town hall in Milwaukee and said his massive COVID relief plan has broad public support.
public 公众；公开
She was a brilliant public speaker.
她很擅长在公开场合演讲。
