Subject + 充满 + 了 + Noun
充满 (chōngmǎn) is a verb meaning "to be full of" or "to be filled with." It is used to describe something brimming with a quality, emotion, or substance. For example, 充满了希望 means "full of hope."
教室里充满了孩子们的笑声。
Jiàoshì lǐ chōngmǎn le háizimen de xiào shēng.
The classroom was filled with the sound of children's laughter.
他的眼神充满了自信。
Tā de yǎnshén chōngmǎn le zìxìn.
His eyes were full of confidence.
春天的空气中充满了花的香味。
Chūntiān de kōngqì zhōng chōngmǎn le huā de xiāngwèi.
The spring air was filled with the fragrance of flowers.