This is the 4260th most frequent Chinese word.
宇
"宇" means "space," "universe," or "eaves" depending on context.
Here, '宇' is part of the word '宇宙', which means 'universe', reflecting the expanse and vastness.
宇宙是一个十分广阔的空间。
The universe is an extremely vast space.
In this instance, '宇' is used as a noun and functions as a part of a person's name, illustrating personal identification.
他的名字中有一个特殊的字——宇。
There is a special character in his name - Yu.
In this sentence, '气宇' combines '宇' to describe one's demeanor or aura, signifying outward grandeur or composure.