This is the 19356th most frequent Korean word.
알파벳을
The Korean word "알파벳을" means "the alphabet" (used as the object of a sentence).
In this sentence, '알파벳을' refers to the alphabet as the object of learning.
아이들이 알파벳을 배웁니다.
The children learn the alphabet.
Here, '알파벳을' indicates what was taught to someone, emphasizing the action of teaching.
나는 조카에게 알파벳을 가르쳤어요.
I taught the alphabet to my nephew.
'알파벳을' in this case represents the tool or medium through which an action (forming words) is performed.