authorized by law and limiting work or official business
例句
用作名词 (n.)
A national holiday was proclaimed. 宣布了一个国定假日。
After Mr.Obama won the U.S. presidential election, Kenyan President Mwai Kibaki announced the following day as a national holiday. 当奥巴马总统赢得美国总统选举时，肯尼亚总统齐贝吉宣布第二天为国定假日。
美
