motorcade
n. 汽车行列，车队
例句
At times the president's motorcade slowed to a crawl.
总统车队不时放慢速度缓缓而行。
《柯林斯英汉双解大词典》
The president nodded to the crowd as he passed in the motorcade.
当总统的车队经过时，他向人群点头致意。
《牛津词典》
The President's motorcade glided by.
总统的车队一溜烟开了过去。
