firmament
n. 天空；苍天
例句
There are no stars in the firmament.
天空没有星星。
《柯林斯英汉双解大词典》
A falling star shone in the dark firmament.
一颗流星在黑暗的天空中闪烁。
He was rich, and a rising star in the political firmament.
他很有钱，更是高层政坛一颗冉冉升起的新星。
