a covered entrance to a building , usually a large and splendid building , which is supported by columns
发音
例句
1. A large portico provides a suitably impressive entrance to the chapel. 小教堂入口处宽敞的柱廊相当壮观。 2. The gateway and its portico had openings all around. 门洞两旁与廊子的周围都有窗棂。