This is the 229th most frequent Korean word.
낮은
"낮은" means "low" in English.
Here '낮은' modifies '음' (pitch), denoting a lower frequency sound.
그가 속삭이는 목소리는 매우 낮은 음이었습니다.
His whispering voice was very low-pitched.
In this sentence, '낮은' is used to describe '평균 기온' (average temperature), indicating a small numerical value.
이곳의 평균 기온은 매우 낮은 편입니다.
The average temperature in this place is quite low.
The word '낮은' is used as a descriptive adjective to modify '구름' (clouds), referring to their low altitude.