noun · a royal crown or a ceremonial official hat worn in ancient times

古代帝王在祭祀大典时需佩戴冠冕。

noun · a high-ranking official, chief, or person in a leading position

他被誉为文坛的冠冕。

elegant, dignified, and stately in appearance or manner

这些冠冕堂皇的话语并不能掩盖事实的真相。