美国各地的城市正在变成一片绿色的海洋，参加一年一度的圣帕特里克节庆祝活动。 Cities across the U.S. are turning into a sea of green for annual St. Patrick's Day celebrations. President Trump and Vice President Vance marked the holiday in DC with Irish Prime Minister Micheal Martin, while Americans across the country took to the streets for green parades and cheers.