This is the 984th most frequent Chinese word.
声
"声" means "sound" or "voice."
In this sentence, “声” refers to a sound or noise one can hear.
我听到了美妙的声响。
I heard a wonderful sound.
In this sentence, '发声' incorporating '声' means 'to speak out or voice (one's views)', emphasizing articulation or advocacy.
他为自己的行为发声。
He speaks out for his actions.
Here, '声' is a part of '声音', which means 'voice,' referring to the quality of a person's vocal sound.